Question

Given the two triangles are similar, what is the value of x? Round to the nearest hundredth.


A.

x = -1.67





B.

x = - 0.833





C.

x = 0.833





D.

x = 6.67
Picture below, i would love if someone would not only answer it but help me understand how to do it. :)

Answer 1

The lengths of corresponding sides are proportional.
20/8 = (x + 10)/x
Cross multiply and solve for x.

Answer 2

thank you! :)

Answer 3

wlcm