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Basic triangle area, 3 4 5 triangles. Pythagorean triples. #17

Open Ams627 opened 1 year ago

Ams627 commented 1 year ago

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The heptagon in the figure consists of three congruent squares, one rectangle and three identical gray triangles. The length of the side of the square is 1 cm. The longest side of the heptagon measures 5 cm

What is the area of the heptagon?