SOLUTION: Find the length of the unknown side of the right triangle with sides a, b, and c, where c is the hypotenuse. a = 7, c = 13√2

Algebra ->  Square-cubic-other-roots -> SOLUTION: Find the length of the unknown side of the right triangle with sides a, b, and c, where c is the hypotenuse. a = 7, c = 13√2      Log On


   

Question 1088747: Find the length of the unknown side of the right triangle with sides a, b, and c, where c is the hypotenuse.
a = 7, c = 13√2
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the Pythagorean theorem,
a%5E2%2Bb%5E2=c%5E2
49%2Bb%5E2=338
b%5E2=338-49
b=sqrt%28338-49%29
Use your calculator.