How to determine the height of a trapezoid when given the area and bases

How to determine the height of a trapezoid when given the area and bases

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to calculate the area of a trapezoid using the formula: Area = 1/2 * height * (base1 + base2). It walks through a problem where the area and bases are given, and the height needs to be determined. The instructor demonstrates the steps to solve for the height, including combining terms and performing calculations, while encouraging the use of a calculator or mental math.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating the area of a trapezoid?

1/2 times height times base one plus base two

Base one times base two divided by height

Height times base one plus base two

1/2 times base one times base two

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the given problem, what is the unknown variable that needs to be solved?

Base one

Base two

Area

Height

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving for the height in the trapezoid area problem?

Subtract the area from the bases

Divide the area by the height

Add the bases

Multiply the bases

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After combining the bases, what operation is performed next to solve for the height?

Multiply the combined bases by the height

Divide the area by the combined bases

Subtract the combined bases from the area

Add the area to the combined bases

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final step to isolate the height in the equation?

Add the area to the height

Subtract the combined bases from the height

Divide the area by the product of 1/2 and the combined bases

Multiply the height by the area