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Knowledge / Shapes and Sizes / Postage Stamp Shapes / Quadrangles

Quadrangular Postage Stamp: stamp in geometric order with three edges

Rectangular Postage Stamp: stamp shaped like a horizontal or vertical rectangle with equilateral opposite sides

quadrangular postage stamp convex at top

quadrangular postage stamp convex at top and at bottom

quadrangular postage stamp concave at top and at bottom

Pulvinated Postage Stamp: quadrangular stamp with four concave sides

vertical quadrangular postage stamp pointing up

quadrangular postage stamp with triangular tops

Square Postage Stamp: stamp shaped like a horizontal or vertical quadrangle with 4 equilateral sides

Fan Shaped Postage Stamp: stamp shaped like a horizontal or vertical fan

Arched Postage Stamp: quadrangular stamp shaped like an arch

Parallelogram Postage Stamp: quadrangular oblique shaped stamp sloping right or left with equilateral opposite sides

Rhomb Postage Stamp: horizontal or vertical quadrangular oblique shaped stamp with 4 equilateral sides

Trapeze Postage Stamp: horizontal or vertical quadrangular shaped stamp with 2 equilateral and 2 parallel scalene sides

Waved Postage Stamp: stamp shaped like a horizontal or vertical quadrangle with arched sides

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