Question

In a right triangle the length of a hypotenuse is c and the length of one leg is a. Find the length of the other leg b, if:

c=5, a=3

Answer 1

b=4

Explanation:

`a^(2)+b^(2)=c^(2)`

`3^(2)+b^(2)=5^(2)`

`9+b^(2)=25`

`b^(2)=16`

`\sqrt{b^(2)} = √(16)`

b=4