Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter54: Geometric Principles For Triangles And Other Common Polygons
Section: Chapter Questions
Problem 30A: Use the angle values given to find 2. a. If 1 = 37, find 2. b. If 1 = 29, find 1.
Related questions
Question
Transcribed Image Text:In the given figure, O is the centre of the circle and AB is the diameter. If 2ODA = 90' and OB =
BC, find 21.
E
D
A
a) 30°
b) 45°
c) 60°
d) 70°
B.
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