Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter69: Simple Practical Machine Applications
Section: Chapter Questions
Problem 1A: Determine the sizes of Aand Bto the nearest minute.
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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
![A,
Find the measure of arc DC if angle DSC 78 and the measure of arc AB = 108. Round to the
nearest tenth.
S.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7a0917b4-7839-437a-acfe-2f3f93f60fe4%2Fd24e8ed5-6cb7-4151-aabe-2f80343e7620%2F3789m5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A,
Find the measure of arc DC if angle DSC 78 and the measure of arc AB = 108. Round to the
nearest tenth.
S.
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