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: a c=5, a=3;

Question

Mathematics

Jamie Boone

2 May, 16:28

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: a c=5, a=3;

+5

Answers (1)

Know the Answer?

Ruby Kim · Answer 1

b=4

Step-by-step explanation:

a^2 + b^2 = c^2

substitute:

3^2+b^2=5^2

9+b^2=25

25-9=b^2

16=b^2

the square root of 16=4

b=4

check:

4 times 4 = 16

9+16+25