SOLUTION: if the sides of a right triangle are 20 ft (hypotenuse) and 13 ft (a), what is b?

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Question 816326: if the sides of a right triangle are 20 ft (hypotenuse) and 13 ft (a), what is b?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

if the sides of a right triangle are 20 ft (hypotenuse) and 13 ft (a), what is b?

Applying Pythagorean Theorem: a%5E2+%2B+b%5E2+=+c%5E2

b = sqrt%2820%5E2+-+13%5E2+%29 = sqrt%28231%29ft