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

Question

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

kobeni-chan · Answer

A. 3150
you can multiply 90 and 70 to get 6300, that would be the area of a rectangle. since its talking about her walking directly back, its a triangle, so just divide 6300 by 2 to get 3150 and stick a squared 2 at the end, lol