Triangle with Exterior Angles Drawn

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Illustration showing a triangle with exterior angles. This can be used to show the sum of the three angles of a triangle is equal to two right angles.

Keywords

geometry, triangle, shape, equal, angle, side, triangles, angles, polygon, two right

Galleries

Miscellaneous Triangles

Source

G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 32

Downloads

TIFF (full resolution)

2400×1305, 3.0 MiB

Large GIF

1024×556, 14.8 KiB

Medium GIF

640×348, 8.3 KiB

Small GIF

320×174, 4.0 KiB