Which equation can be used to find the length of a side in a right triangle with legs a and b and hypotenuse c? Choose all that apply. b=a2−c2−−−−−−√ a=b2−c2−−−−−−√ b=c2+a2−−−−−−√ a=c2−b2−−−−−−√ c=a2+b2−−−−−−√

wait nvm i know the correct answer now its 100%   81 square feet

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step-by-step explanation: given equation a = h(b 1+b 2)

also we are given values of a, h and b 1 as :

a = 16, h = 4, and b 1 = 3.

in order to solve it for b 2, we need to plug the given values of   a, h and b 1 .

therefore, plugging values of   a, h and b 1   in given equation, we get

16 = 4( 3 + b 2)

first dividing both sides by 4, we get

4 = 3 + b 2

subtracting 3 from both sides, we get

4 -3 = 3 -3 + b 2

1 = b 2.