Area of a Trapezoid

Author:Jacob Orner , sonom

SLOWLY slide the dragging tool. Notice that the trapezoid is being doubled and rearranged to form a parallelogram. The height of this parallelogram is the height of the trapezoid, the length of the parallelogram is not as clear. What do you think the length of this parallelogram is?

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The area of the trapezoid is going to be ______ the area of the parallelogram.

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Knowing this, which of the following formulas can you deduce will be the formula to find the area of a trapezoid?

Select all that apply

A
A = 1/2 x h x a + b
B
A = 1/2 x h x a x b
C
A = 1/2 x h x (a + b)

Check my answer (3)

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