Question

Can someone please help?

Answer 1

x = 12

Explanation:

Quadrilaterals ABCD and FECG are similar, so their corresponding sides would be in the proportion.

`(x)/(6) = (5 + 5)/(5) \\ \\ (x)/(6) = (10)/(5) \\ \\ x = (10 * 6)/(5) \\ \\ x = 2 * 6 \\ \\ x = 12 \:`