In the figure, O is the centre of the circle. AOC is a straight line. Find x.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Angle in Semi-Circle
1. In the figure, O is the centre of the circle. AOC is a straight line. Find x.
2. In the figure, O is the centre of the circle. POR is a straight line. Find y.
3. In the figure, ABC is a semi-circle. AC is produced to D such that BC-CD. If ZBAC-40°, find ZABD.
4. In the figure, ABC is a semi-circle. AC is produced to D such that AB-BD. ZACB-61°. Find ZCBD.
5. In the figure, ABC is a semi-circle with centre O. If AB = OB, find ZOAC.
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