Question

The perimeter of a triangle is 25 inches. If side a is twice side b, which is 1/2 side c, what is the length of side b?

a. 5
b. 8
c. 10
d. 12
e. 15

Answer 1

b = 5

Explanation:

a = x

b = 0.5x

c = x

x + x + 0.5x = 25

2.5x = 25

x = 25/2.5

x = 10

b = 10/2