Question

Given that triangle TRA ~ triangle NGL, find the value of x.

A. x=3.5

B. x=4

C. x=4.5

D. x=5

Answer 1

Answer:

Two triangles are similar.

=> RT/GN = TA/NL

=> 4/x = 8/(x + 5)

=> 4x + 20 = 8x

=> 4x = 20

=> x = 5

=> Option D is correct

Hope this helps!

:)