129k views
3 votes
I know that the answer is D. 17.5 I just need help on knowing the steps to solve this question. Help is greatly appreciated!

I know that the answer is D. 17.5 I just need help on knowing the steps to solve this-example-1

1 Answer

6 votes
If BCEF is a square, that means all the sides are equal. If AD = 7, FB has to also be 7.

A_F = AB - FB = 12 - 7 = 5

The area of a triangle is .5bh, and we know the base is 5 and the height is 7.

0.5 * 5 * 7 = 17.5
User Sky Fang
by
8.1k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories