shelbymitchell6 shelbymitchell6

26-07-2016
Mathematics

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If one leg of a right triangle has length 21 and the hypotenuse has length 53, what is the length of the other leg?

Help?!

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Jawn12345 Jawn12345

26-07-2016

Use the Pythagorean theorem: a² + b² = c²

c = hypotenuse (which means) = 53

a and b are equal to the side length
So a = 21.

Use the formula and solve.
21² + b² = 53²
441 + b² = 2809
b² = 2368
b = 48.66210024238575 or 8√37

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