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481506
Caption: Illustration of the three basic theorems that triangles are congruent: side-angle-side, angle-side-angle, and side-side-side.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 33.87 MB
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507109
Caption: The figure indicates how to add a positive or negative angle (B) to a positive angle (A)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 14.54 MB
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506866
Caption: An illustration showing positive general angle A and negative general angle A'
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 17.86 MB
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507007
Caption: The figure shows an angle A in standard position, that is, with initial side on the x-axis
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 32.03 MB
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506801
Caption: The relationship between a central angle formed by two radii and the angle's AB chord (one side of an inscribed triangle)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 41.86 MB
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481031
Caption: Archimedes' method of angle trisection.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 13.03 MB
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506949
Caption: Pappus of Alexandria (c 320) discovered that a hyperbola could be used to trisect an acute angle
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 17.32 MB
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506604
Caption: In the law of reflection, images are reflected from a smooth surface at the same angle (q2) as the incidence angle (q1)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 18.60 MB
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126976
Caption: Coastline with pine tree and city in distance
Artist: Dana Mardaga
Release: Not Applicable
File Size: 63.91 MB
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481549
Caption: Proposed drawing of Thales' rectangle, a proof that any angle inscribed in a semicircle is a right angle (90 degrees).
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 37.62 MB
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507004
Caption: Nicomedes (3rd century BCE) discovered a special curve, known as a conchoid, with which he was able to trisect any acute angle
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 31.01 MB
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126977
Caption: Money floating over coastline with pine tree and city in distance
Artist: Dana Mardaga
Release: Not Applicable
File Size: 68.57 MB
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5615
Caption: High angle view of library
Artist: Lisa Rotenberg
Release: Not Applicable
File Size: 57.63 MB
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126806
Caption: High angle view of open mouth
Artist: Alberto Ruggieri
Release: Not Applicable
File Size: 100.98 MB
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506846
Caption: By labeling the central angle A, the radii r, and the chord c in the figure, it can be shown that c = 2r sin (A/2)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 41.86 MB
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32996
Caption: Bird flying in sky, low angle view
Artist: Monica Rangne
Release: Not Applicable
File Size: 60.20 MB
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481048
Caption: Medieval Arabic method of measuring the Earth.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 15.28 MB
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7827
Caption: High angle view of town in valley
Artist: Melinda Newman
Release: Not Applicable
File Size: 52.92 MB
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16977
Caption: Compact discs on branches in forest, low angle view
Artist: Todd Davidson
Release: Not Applicable
File Size: 72.95 MB
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16994
Caption: Hammer on pillow, close-up, high angle view
Artist: Todd Davidson
Release: Not Applicable
File Size: 66.81 MB
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32429
Caption: Hand holding group of people, low angle view
Artist: Rex Bohn
Release: Not Applicable
File Size: 59.97 MB
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16998
Caption: Stones and sticks as cell phone, close-up, high angle view
Artist: Todd Davidson
Release: Not Applicable
File Size: 66.27 MB
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17018
Caption: Broken and discarded compact disk in drain, close-up, high angle view
Artist: Todd Davidson
Release: Not Applicable
File Size: 60.08 MB
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17029
Caption: Two spanners on compact disc, close-up, high angle view
Artist: Todd Davidson
Release: Not Applicable
File Size: 72.10 MB
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17042
Caption: Small, medium, and large spanners, close-up, high angle view
Artist: Todd Davidson
Release: Not Applicable
File Size: 65.00 MB
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506654
Caption: The Cartesian coordinates of point P are represented by (x, y), while the polar coordinates are represented by (r, angle)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 25.25 MB
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17023
Caption: Stones forming shape of lying man in floor plants, high angle view
Artist: Todd Davidson
Release: Not Applicable
File Size: 73.39 MB
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506567
Caption: Rotating the coordinate axes through an angle changes the coordinates of a point from (x, y) to (x', y')
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 36.00 MB
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126507
Caption: Train running into backward tracks
Artist: Janusz Kapusta
Release: Not Applicable
File Size: 25.28 MB
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25351
Caption: Commercial airplane with 'best' sign in flight, low angle view
Artist: Phil Scheuer
Release: Not Applicable
File Size: 59.98 MB
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315117
Caption: Chopsticks in sleeve on plate
Artist: Coco Masuda
Release: Not Applicable
File Size: 52.08 MB
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16990
Caption: Clothes as man and woman laid on bed, high angle view
Artist: Todd Davidson
Release: Not Applicable
File Size: 60.68 MB
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128193
Caption: Apartment buildings on sheet of blueprints
Artist: Eric Westbrook
Release: Not Applicable
File Size: 33.27 MB
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142636
Caption: Close up of cow in pasture
Artist: Sandra Speidel
Release: Not Applicable
File Size: 34.05 MB
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512723
Caption: Crane lowering box
Artist: Paulo Buchinho
Release: Not Applicable
File Size: 50.08 MB
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4384
Caption: Heart in bed on chair
Artist: Andrea Pecchia
Release: Not Applicable
File Size: 32.75 MB
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17031
Caption: Compact discs on elephants ear leaves, high angle view
Artist: Todd Davidson
Release: Not Applicable
File Size: 60.48 MB
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17001
Caption: Shells in plate with knife and fork, close-up, high angle view
Artist: Todd Davidson
Release: Not Applicable
File Size: 67.33 MB
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315137
Caption: Tennis rackets and balls
Artist: Coco Masuda
Release: Not Applicable
File Size: 51.33 MB
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17020
Caption: Compact discs forming shape of man in garden, high angle view
Artist: Todd Davidson
Release: Not Applicable
File Size: 59.96 MB
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17025
Caption: Stones and sticks with leaf forming wheel, close-up, high angle view
Artist: Todd Davidson
Release: Not Applicable
File Size: 64.87 MB
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126996
Caption: Close up of slice of cake
Artist: Dynamic Duo Studio
Release: Not Applicable
File Size: 33.23 MB
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123801
Caption: Meeting of Congress
Artist: Vincent McIndoe
Release: Not Applicable
File Size: 60.15 MB
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126910
Caption: Smokestacks in factory
Artist: Cory Docken
Release: Not Applicable
File Size: 54.86 MB
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4361
Caption: Objects of war hanging from sky
Artist: Janusz Kapusta
Release: Not Applicable
File Size: 31.73 MB
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17000
Caption: Three spanners forming recycling symbol, close-up, high angle view
Artist: Todd Davidson
Release: Not Applicable
File Size: 66.12 MB
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27958
Caption: Man using mobile phone, low angle view
Artist: Jude Maceren
Release: Not Applicable
File Size: 59.96 MB
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513680
Caption: Coins in sardine can
Artist: Todd Davidson
Release: Not Applicable
File Size: 66.13 MB
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513155
Caption: Man climbing over No text toward Yes text
Artist: Doug Ross
Release: Not Applicable
File Size: 23.07 MB
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513695
Caption: Wrenches, bolts and nuts forming computer
Artist: Todd Davidson
Release: Not Applicable
File Size: 68.42 MB
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4346
Caption: People walking around large glass
Artist: Janusz Kapusta
Release: Not Applicable
File Size: 33.10 MB
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480162
Caption: Illustration of turntable and design
Artist: Svetlin Rusev
Release: Not Applicable
File Size: 76.43 MB
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16967
Caption: Outdoor ashtray with cigarette butts, high angle view
Artist: Todd Davidson
Release: Not Applicable
File Size: 69.91 MB
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16668
Caption: Close up of flowers
Artist: Shannon Mucha
Release: Not Applicable
File Size: 50.08 MB
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16550
Caption: Close up of tropical flowers
Artist: Jane Sterrett
Release: Not Applicable
File Size: 49.44 MB