The height of a radio tower is 750 feet, and the ground on one side of the tower slopes upward at an angle of 10°. (a) How long should a guy wire be if it is to connect to the top of the tower and be secured at a point on the sloped side 140 feet from the base of the tower? 750 ft (b) How long should a second guy wire be if it is to connect to the middle of the tower and be secured at a point 140 feet from the base on the flat side? 140 10 140 ft (a) What is the length of the first guy wire? feet (Do not round until the final answer. Then round to one decimal place as needed.) (b) What is the length of the second guy wire? feet (Do not round until the final answer. Then round to one decimal place as needed.)

The height of a radio tower is 750 feet, and the ground on one side of the tower slopes upward at an angle of 10°. (a) How long should a guy wire be if it is to connect to the top of the tower and be secured at a point on the sloped side 140 feet from the base of the tower? 750 ft (b) How long should a second guy wire be if it is to connect to the middle of the tower and be secured at a point 140 feet from the base on the flat side? 140 10 140 ft (a) What is the length of the first guy wire? feet (Do not round until the final answer. Then round to one decimal place as needed.) (b) What is the length of the second guy wire? feet (Do not round until the final answer. Then round to one decimal place as needed.)

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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Concept explainers

Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.

Question

The height of a radio tower is 750 feet, and the ground on one side of the tower slopes upward
at an angle of 10°.
(a) How long should a guy wire be if it is to connect to the top of the tower and be secured at a
point on the sloped side 140 feet from the base of the tower?
750 ft
(b) How long should a second guy wire be if it is to connect to the middle of the tower and be
secured at a point 140 feet from the base on the flat side?
140 ft
10
140 ft
I
(a) What is the length of the first guy wire?
feet
(Do not round until the final answer. Then round to one decimal place as needed.)
(b) What is the length of the second guy wire?
feet
(Do not round until the final answer. Then round to one decimal place as needed.)
MacBook Pro
G Search or type URL
esc
&
%
8
9
5
6
3
4
2
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