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# How do you solve a trapezoid problem?

## How do you solve a trapezoid problem?

Explanation: To find the area of a trapezoid, multiply the sum of the bases (the parallel sides) by the height (the perpendicular distance between the bases), and then divide by 2.

## What is the formula for finding the perimeter of a trapezoid?

Trapezoid Perimeter Formula For a trapezoid, the formula for perimeter is P=b1+b2+l1+l2.

How do you find the missing side of a trapezoid given the area?

To find the missing side of a trapezoid:

1. Identify which side is missing.
2. Add together all the other sides and write down the result.
3. Subtract that number from the perimeter. The result is the missing side’s length.

Why does the formula for area of a trapezoid work?

The area of this parallelogram is its height (half-height of the trapezoid) times its base (sum of the bases of the trapezoid), so its area is half-height × (base1 + base2). Because the parallelogram is made from exactly the same “stuff” as the trapezoid, that’s the area of the trapezoid, too.

### How do you solve the ABCD of a trapezoid?

ABCD is a trapezoid and the its bases AB and DC are parallel. Since AB and DC are parallel the triangles AOB and DOC are similar hence the proportinality of the corresponding sides. Use equation OA / OD = 3 / 4 and solve for OA. Use equation OB / OC = 3 / 4 and solve for OA.

### What is the perimeter of trapezoid ABCD \$?

Finding the Perimeter of a Trapezoid To find the perimeter, or the total length of all the sides of the trapezoid, we simply add the lengths of each side. In this trapezoid ABCD, we see that the perimeter of the trapezoid is the sum of AB, BC, DC, and AD: The length of the bottom base, DC, is 4.5.

How do you find the missing value of a trapezoid?

Since this problem provides the length for both of the bases as well as the total perimeter, the missing sides can be found using the following formula: Perimeter= Base one Base two (leg), where the length of “leg” is one of the two equivalent nonparallel sides.