What is the area of the trapezoid shown below?

The height of the trapezoid is 3 because the triangle is a 3-4-5 triangle (Pythagorean triplets).

Now find area of the rectangle by L*W.

The area of the rectangle is 12.

Now find the area of the triangle.

Area of a triangle is height * base /2.

Therefore the area of the triangle is 4*3/2=6.

Now combine the area of the rectangle and triangle.

The area of the trapezoid is 18.

check the picture below.

both equations and proportions are better.

the football players are volunteering for the test.

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