The length of a diagonal of a square sandbox is 9 feet.

What is the approximate length of one side of the sandbox?

A.
4.5 ft

B.
5.2 ft

C.
6.4 ft

D.
12.7 ft

Question

The length of a diagonal of a square sandbox is 9 feet. 


What is the approximate length of one side of the sandbox?
 
 A.
4.5 ft
 
 B.
5.2 ft
 
 C.
6.4 ft
 
 D.
12.7 ft

nikato · Answer

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you can use the pythagoreom theorem to find x which is one side of the square

anonymous · Answer

i don't know how. can u please help me @nikato

nikato · Answer

do you know what the pythagoereom theorem is?

anonymous · Answer

yes but i'm not sure how to use it with this problem

nikato · Answer

see how the diagonal divides the square into two right triangle.
so you can just look at one of those right triangle to solve for the side.
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can you solve from here now?