SOLUTION: Hi Trying to find the unknown side of a triangle, the hypotenuse is 4.2 km and leg a is 3.7.

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Question 351485: Hi
Trying to find the unknown side of a triangle, the hypotenuse is 4.2 km and leg a is 3.7.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the Pythagorean theorem,
a%5E2%2Bb%5E2=h%5E2
b%5E2=h%5E2-a%5E2
b=sqrt%284.2%5E2-3.7%5E2%29