29.
In the given figure, if O is the center of circle, determine angle APB
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1
Answer:
anOBA = anOAB...isosceles triangle property
anOAB=30degrees
By angle sum property,
anAOB = 120degrees
=>rAOB = 360-120
=>140 DEGREES
=> anAPB= HALF OF rAOB..... property of circle
=>anAPB= 70 degrees
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2
Answer:
60°
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