1. Measuring Angles

Complementary and Supplementary Angles

Textbook Question
CONCEPT PREVIEW Name the corresponding angles and the corresponding sides of each pair of similar triangles. (HK is parallel to EF.)
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Textbook Question
Find the measure of each marked angle.
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Textbook Question
Find the measure of each marked angle. In Exercises 19–22, m and n are parallel. See Examples 1 and 2 .
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Textbook Question
Find the measure of each marked angle.
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Textbook Question
Find the measure of each marked angle. In Exercises 19–22, m and n are parallel. See Examples 1 and 2 .
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Textbook Question
Find the measure of each marked angle.
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Textbook Question
Find the measure of each marked angle.
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Textbook Question
Find the measure of each marked angle. In Exercises 19–22, m and n are parallel. See Examples 1 and 2 .
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Textbook Question
Solve each problem. Length of a Road A camera is located on a satellite with its lens positioned at C in the figure. Length PC represents the distance from the lens to the film PQ, and BA represents a straight road on the ground. Use the measurements given in the figure to find the length of the road. (Data from Kastner, B., Space Mathematics, NASA.)
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Textbook Question
Find the measure of each marked angle. In Exercises 19–22, m and n are parallel. See Examples 1 and 2 .
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Textbook Question
Find all unknown angle measures in each pair of similar triangles.
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Textbook Question
Find the measure of each marked angle. In Exercises 19–22, m and n are parallel. See Examples 1 and 2 .
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Textbook Question
Find the unknown side lengths in each pair of similar triangles.
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Textbook Question
Find the measure of each marked angle. In Exercises 19–22, m and n are parallel. See Examples 1 and 2 .
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Textbook Question
In each figure, there are two similar triangles. Find the unknown measurement. Give any approximation to the nearest tenth.
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