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Knowledge / Shapes and Sizes / Postage Stamp Shapes / Triangles

Triangular Postage Stamp: stamp in geometric order with three edges

scalene right-angled triangular postage stamp faceing down

scalene triangular postage stamp faceing up with on convex side (sail)

isoscele triangular postage stamp faceing down

isoscele right-angled triangular postage stamp faceing up

isoscele right-angled triangular postage stamp faceing up

isoscele right-angled triangular postage stamp faceing down

equilateral triangular postage stamp faceing up

equilateral triangular postage stamp faceing down

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