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Chapter 12: Q18. (page 689)

Find m鈭�1.

Short Answer

Expert verified

The measure of the angle is 56掳.

Step by step solution

01

Step 1. Given Information.

The figure is shown below.

02

Step 2. Concept used.

If two angles placed adjacent to each other form a straight angle, the angles are called supplementary angles and the sum of their measures is 180掳.

03

Step 3. Calculation.

Write the sum of the measures of the angles as being equal to 180掳.

m鈭�1+124掳=180掳m鈭�1=180掳鈭�124掳=56掳

04

Step 4. Conclusion.

The measure of the angle that forms a straight angle when placed adjacent to an angle measuring 124掳 is 56掳.

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Most popular questions from this chapter

Find m鈭�1.

Four exterior angles of a convex pentagon have measures 14掳, 87掳, 56掳, and 30掳. Find the measure of the fifth exterior angle.

Draw two lines and a transversal intersecting both the lines. Then number the angles and identify both pairs of alternate interior angles.

Tell whether the angles are complementary, supplementary, or neither.

m鈭�1=71掳m鈭�2=19掳

Solve the equation by first clearing the fractions.

12x+34=56
See all solutions

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