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I need help on doing this i don't really know how to do it. can someone help me?

also an explination

I need help on doing this i don't really know how to do it. can someone help me? also-example-1
User Iordanis
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1 Answer

8 votes

Explanation:

x is the hypotenuse of the triangle.

to find x:

the sum of the square of the other two sides. ( a^2 + b^2 = x^2)


{x}^(2) = {21}^(2) + {20}^(2) \\ {x}^(2) = 841 \\ \sqrt{ {x}^(2) } = √(841) \\ x = 29 \: yd

User Wenqiang
by
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