MEDAL

The length of a diagonal of a large square garden is 15 yards. What is the approximate length of one side of the square garden?

A.
8.6 yards

B.
10.6 yards

C.
21.2 yards

D.
25.9 yards

Please explain (and I'm in 7th grade... I don't understand sine cosine! =-=) thoroughly.

Question

MEDAL

The length of a diagonal of a large square garden is 15 yards. What is the approximate length of one side of the square garden?


 
 A.
8.6 yards
 
 B.
10.6 yards
 
 C.
21.2 yards
 
 D.
25.9 yards

Please explain (and I'm in 7th grade... I don't understand sine cosine! =-=) thoroughly.

jim_thompson5910 · Answer

You can use the Pythagorean theorem. Have you learned that yet?

jim_thompson5910 · Answer

start with a square of side x
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xofallenangelox · Answer

I know the Pythagorean therom

xofallenangelox · Answer

theorum*

jim_thompson5910 · Answer

add in the diagonal of 15
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jim_thompson5910 · Answer

notice we have this right triangle

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