Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
Related questions
Topic Video
Question
Someone please help me and please show your working clearly. Could you please answer both 3 and 4?
Expert Solution
Step 1
3.
Given data:
*The angle B and angle C are complementary angles.
Complementary angles are those angles whose sum are equal to 90 degrees.
Therefore,
Also from the figure.
Thus, the angle B is
Therefore,
Thus, the angle C is
Step 2
The sum of all the angles along the straight line is 180 degrees,
Thus,
Thus the angle A is
4.
Given data:
*The angle 3 is .
The angle 4 and angle 3 is equal to .
Thus, the angle 4 is .
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