Answered: A ladder is needed to reach the…

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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Question

A ladder is needed to reach the gutters. The gutters are 18 feet above the ground. The base of the ladder needs to be 12 feet away from the house. How long should the ladder be to reach the gutters?

Line 1: leg2+leg2=hypotenuse2

Line 2: 122+182=hypotenuse2

Line 3: 24+36 = hypotenuse2

Line 4: 60=hypotenuse2

Line 5: hypotenuse=30

Expert Solution

Step 1 Formula used

if $∆$ ABC is right angle triangle. Then ,

$A B^{2} + B C^{2} = A C^{2}$ (Using Pythagoras Theorem)

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