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Mathematics 21 Online
OpenStudy (anonymous):

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.

OpenStudy (anonymous):

whats the question?

OpenStudy (anonymous):

What is the area of the part of the field she walked around

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