22. From a point C on ground level, the angle of elevation to the top of a tree is 30°. From a point D, which is closer to the tree, the angle of elevation is measured to be 45°. Find the distance between the points C and D if the height of the tree is 4m.

22. From a point C on ground level, the angle of elevation to the top of a tree is 30°. From a point D, which is closer to the tree, the angle of elevation is measured to be 45°. Find the distance between the points C and D if the height of the tree is 4m.

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter2: Parallel Lines

Section2.4: The Angles Of A Triangle

Problem 23E: Consider any triangle and one exterior angle at each vertex. What is the sum of the measures of the...

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22. From a point C on ground level, the angle of elevation to the top of a tree is 30°. From a point
D, which is closer to the tree, the angle of elevation is measured to be 45°. Find the distance between the
points C and D if the height of the tree is 4m.

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