PRACTICE PROBLEM 1.4.2.21. A man stands 45 feet from the base of a tree. He measures the angle of elevation from apoint on the ground to the top of the tree to be 59°. What is the height of the tree?2. Find the sine, the cosine, and the tangent of 30°.3. The angle of elevation of the top of the building at a distance of 50 m from its foot on ahorizontal plane is found to be 60 degree. Find the height of the building.4. A ladder placed against a wall such that it reaches the top of the wall of height 6 m and theladder is inclined at an angle of 60 degree. Find how far the ladder is from the foot of thewall.5. A string of a kite is 100 meters long and the inclination of the string with the ground is 60°.Find the height of the kite, assuming that there is no slack in the string.

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PRACTICE PROBLEM 1.4.2.2 1. A man stands 45 feet from the base of a tree. He measures the angle of elevation from a point on the ground to the top of the tree to be 59°. What is the height of the tree?

PRACTICE PROBLEM 1.4.2.2 1. A man stands 45 feet from the base of a tree. He measures the angle of elevation from a point on the ground to the top of the tree to be 59°. What is the height of the tree?

Trigonometry (MindTap Course List)

8th Edition

ISBN:9781305652224

Author:Charles P. McKeague, Mark D. Turner

Publisher:Charles P. McKeague, Mark D. Turner

Chapter7: Triangles

Section7.1: The Law Of Sines

Problem 36PS

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Question

PRACTICE PROBLEM 1.4.2.2
1. A man stands 45 feet from the base of a tree. He measures the angle of elevation from a
point on the ground to the top of the tree to be 59°. What is the height of the tree?
2. Find the sine, the cosine, and the tangent of 30°.
3. The angle of elevation of the top of the building at a distance of 50 m from its foot on a
horizontal plane is found to be 60 degree. Find the height of the building.
4. A ladder placed against a wall such that it reaches the top of the wall of height 6 m and the
ladder is inclined at an angle of 60 degree. Find how far the ladder is from the foot of the
wall.
5. A string of a kite is 100 meters long and the inclination of the string with the ground is 60°.
Find the height of the kite, assuming that there is no slack in the string.

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