Question

In the diagram below, ABC~DEC. What is the value of x?

a. 3
b. 2
c. 2.5
d. 3.5​

Answer 1

x = 3

Explanation:

AB : DE = BC : EC

x : (18- x) = 5 : 25

25x = 5(18 - x)

25x = 90 - 5x

30 x =90

x = 90/30 = 3