good explanation needed HELP NEEDED

Question

Find the AREA of the TRAPEZOID below: *

since it have a right angle triangle is there something I'm suppose to do to solve this question

should i just solve it as is 2x2x4?

Answer 1

There are two bases: the one on the top and the one on the bottom. The area of a trapezoid is the height x the average of the bases so: h * (b₁+ b₂)/ 2