Question

Can someone please help?

Answer 1

Answer:

x = 12

Step-by-step explanation:

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

$\frac{x}{6} = \frac{5 + 5}{5} \\ \\ \frac{x}{6} = \frac{10}{5} \\ \\ x = \frac{10 \times 6}{5} \\ \\ x = 2 \times 6 \\ \\ x = 12 \:$