a) A hiker is standing on the ground looking up to the top of a tree with an angle of elevation of 36°. The hiker is 6 feet tall and the tree is 38 feet tall. Approximately how far is he hiker from the tree? b) A small triangular piece of metal is needed to add support to a bicycle frame (see the picture below). Find the length (to the nearest tenth of an inch) of the side labeled a. 18 inches a

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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a) A hiker is standing on the ground looking up to the top of a tree with an angle of
elevation of 36°. The hiker is 6 feet tall and the tree is 38 feet tall. Approximately how far is
he hiker from the tree?
b) A small triangular piece of metal is needed to add support to a bicycle frame (see the
picture below). Find the length (to the nearest tenth of an inch) of the side labeled a.
18 inches
a
Transcribed Image Text:a) A hiker is standing on the ground looking up to the top of a tree with an angle of elevation of 36°. The hiker is 6 feet tall and the tree is 38 feet tall. Approximately how far is he hiker from the tree? b) A small triangular piece of metal is needed to add support to a bicycle frame (see the picture below). Find the length (to the nearest tenth of an inch) of the side labeled a. 18 inches a
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