Book edition Common Core Edition

Author(s) Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff

Pages 183 pages

ISBN 9780547587776

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Short Answer

Find the unknown base or height of the trapezoid.
$A = 240 m^{2}, b_{1} = 16 m, b_{2} = 8 m, h = \underline{?}$

The required height is 20 m.

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Step by Step Solution

TABLE OF CONTENTS :

TABLE OF CONTENTS

Step 1. Given information.

Area of Trapezoid is $240 m^{2}$ , the unknown bases are 16 m and 8 m.

Step 2. Formula used.

The formula of area of trapezoid is defined as,

$Area = \frac{1}{2} \times (Sum of parallel sides) \times Height$

Step 3. Calculation.

Substitute the given values in the formula to find the remaining base.

$\begin{matrix} 240 = \frac{1}{2} \times (16 + 8) \times h \\ 240 = \frac{1}{2} \times 24 \times h \\ 240 = 12 \times h \\ h = \frac{240}{12} \\ = 20 \end{matrix}$

Step 4. Conclusion.

Therefore, the required height is 20 m.

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Pre-algebra

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Short Answer

Find the unknown base or height of the trapezoid.
$A = 240 m^{2}, b_{1} = 16 m, b_{2} = 8 m, h = \underline{?}$

Step by Step Solution

Step 1. Given information.

Step 2. Formula used.

Step 3. Calculation.

Step 4. Conclusion.

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Pre-algebra

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Short Answer

Find the unknown base or height of the trapezoid.A=240 m2,b1=16 m,b2=8 m,h=?¯

Step by Step Solution

Step 1. Given information.

Step 2. Formula used.

Step 3. Calculation.

Step 4. Conclusion.

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Find the unknown base or height of the trapezoid.
$A = 240 m^{2}, b_{1} = 16 m, b_{2} = 8 m, h = \underline{?}$