Practice 20. A 25-foot ladder leans against a wall. The bottom of the ladder is 18 feet from the base of the wall. (a) Determine the angle the bottom of the ladder makes with the ground. Round to the nearest degree. (b) Determine the angle the top of the ladder makes with the wall. Round to the nearest degree. Determine this angle using two different methods. (c) How high, to the nearest tenth of a foot, is the top of the ladder from the ground? Is there more than one method to determine the height?
Practice 20. A 25-foot ladder leans against a wall. The bottom of the ladder is 18 feet from the base of the wall. (a) Determine the angle the bottom of the ladder makes with the ground. Round to the nearest degree. (b) Determine the angle the top of the ladder makes with the wall. Round to the nearest degree. Determine this angle using two different methods. (c) How high, to the nearest tenth of a foot, is the top of the ladder from the ground? Is there more than one method to determine the height?
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Transcribed Image Text:Practice 20. A 25-foot ladder leans against a wall. The bottom of the ladder is 18 feet from
the base of the wall.
(a) Determine the angle the bottom of the ladder makes with the ground. Round to the nearest
degree.
(b) Determine the angle the top of the ladder makes with the wall. Round to the nearest
degree. Determine this angle using two different methods.
(c) How high, to the nearest tenth of a foot, is the top of the ladder from the ground? Is
there more than one method to determine the height?
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