45 feet 90 feet A 90 foot escalator rises a vertical distance of 45 feet off the ground. What is the measure of the angle marked with a question mark in the diagram? OA. 90° OB. 45° OC. 60° O D. 30°
45 feet 90 feet A 90 foot escalator rises a vertical distance of 45 feet off the ground. What is the measure of the angle marked with a question mark in the diagram? OA. 90° OB. 45° OC. 60° O D. 30°
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:45 feet
90 feet
A 90 foot escalator rises a vertical distance of 45 feet off
the ground. What is the measure of the angle marked with a question mark in the diagram?
OA.
90°
OB.
45°
C.
60°
O D.
30°
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