How many can you count?

Geometry Level 2

How many of the figures above have equal areas?

2 0 3 1

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1 solution

The trapezoid has an area of 22 0.5 ( 4 + 7 ) ( 4 ) = 22 \color{#3D99F6}\boxed{0.5 * (4+7)(4)=22} . The parallelogram has an area of 24 6 4 = 24 \color{#3D99F6}\boxed{6*4=24} . The triangle has an area of 20 0.5 10 4 = 20 \color{#3D99F6}\boxed{0.5*10*4=20} . The rectangle has an area of 20 4 5 = 20 \color{#3D99F6}\boxed{4*5=20} . The irregular hexagon has an area of 24 ( 5 + 7 ) 2 = 24 \color{#3D99F6}\boxed{(5+7)*2=24} . The composite figure has an area of 26 5 4 + 3 2 = 26 \color{#3D99F6}\boxed{5*4+3*2=26} . So there are two figures with equal area (triangle and rectangle).

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