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3 June, 05:58

Esther starts at one corner of a square field and walks 90 feet along one side to another corner of the field. She turns 90° and walks 70 feet, and then walks straight back to where she started. What is the area of the part of the field she walked around?

a. 3150 ft²

b. 4900 ft²

c. 6300 ft²

d. 8100 ft²

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  1. 3 June, 06:20
    0
    The three sides make a right triangle and you know the base (90) and the height (70)

    A = 1/2 bh or 1/2 x (70) x (90) = 3150 ft²
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