Question

Given ADE with AD= 5 centimeters, BD= 3 centimeters and DE= 10 centimeters

What is the length of BC?

A. 6 2/3 cm
B. 5 cm
C. 4 cm
D. 6 cm

Answer 1

BC is 4

Explanation:

Use a proportion to solve

AB is 2 (AD is 5 and BD is 3- so 5-3)

`(2)/(x) = (5)/(10)`

`5x=20\\x=4`