SOLUTION: In a right triangle, find the length of the side not given. b= 1 c= sqrt 17 The length of the third side is__. Thank you

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: In a right triangle, find the length of the side not given. b= 1 c= sqrt 17 The length of the third side is__. Thank you       Log On


   

Question 433589: In a right triangle, find the length of the side not given.
b= 1 c= sqrt 17 The length of the third side is__.
Thank you
Answer by belle3833(46) About Me  (Show Source):
You can put this solution on YOUR website!
we need to use pythoagoras' theorem
a%5E2%2Bb%5E2=c%5E2
a%5E2%2B1%5E2=%28sqrt%2817%29%5E2%29
a%5E2%2B1=17
a%5E2=17-1
a%5E2=16
a=sqrt%2816%29
a=4