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one side of a right triangle is 12.5 ft the perimeter is 38.7 ft. what is the length of the hypotenuse and the other unknown side?
13 years ago

Answers

Steve
Let a,b, be the legs, and c the hypotenuse

a+b+c = 38.7
a + b + √(12.5<sup>2</sup>+b<sup>2</sup>) = 38.7

√(12.5<sup>2</sup>+b<sup>2</sup>) = 26.2 - b

12.5<sup>2</sup>+b<sup>2</sup> = b<sup>2</sup> - 52.4b + 686.44

52.4b = 530.19

b = 10.1
a = 12.5
c = 16.1
13 years ago

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