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

Tell whether the angles are complementary, supplementary, or neither.
$\begin{matrix} m ∠ 1 = 140 ° \\ m ∠ 2 = 40 ° \end{matrix}$

The pair of angles are supplementary to each other.

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Step by Step Solution

TABLE OF CONTENTS :

TABLE OF CONTENTS

Step 1. Given Information.

The choices are: complementary, supplementary, or neither.

Step 2. Concept used.

If the sum of two angles is $90 °$ then the angles are called complementary angles and if the sum is $180 °$ then the angles are called supplementary angles.

Step 3. Calculation.

Calculate the sum of the measures of the two angles.

$\begin{matrix} m ∠ 1 + m ∠ 2 = 140 ° + 40 ° \\ = 180 ° \end{matrix}$

Step 4. Conclusion.

Since the sum of angles is $180 °$ , the given two angles are a supplementary angle pair.

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Pre-algebra

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Short Answer

Tell whether the angles are complementary, supplementary, or neither.
$\begin{matrix} m ∠ 1 = 140 ° \\ m ∠ 2 = 40 ° \end{matrix}$

Step by Step Solution

Step 1. Given Information.

Step 2. Concept used.

Step 3. Calculation.

Step 4. Conclusion.

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Pre-algebra

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Short Answer

Tell whether the angles are complementary, supplementary, or neither.m∠1=140°m∠2=40°

Step by Step Solution

Step 1. Given Information.

Step 2. Concept used.

Step 3. Calculation.

Step 4. Conclusion.

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Tell whether the angles are complementary, supplementary, or neither.
$\begin{matrix} m ∠ 1 = 140 ° \\ m ∠ 2 = 40 ° \end{matrix}$