CBSE Guess > Papers > Question Papers > Class X > 2009 > Mathematics > Mathematics
Q. 7. In Fig. 3, PA is a tangent from an external point P to a circle with centre O. If 
POB = 115°, then find APO.
Ans. APO = 25°
Sol.
Q. 8. The length of a minor arc is 
of the circumference of the circle. Write the measure of the angle subtended by the arc at the centre of the circle.
Ans. 80°
Sol .Length of a minor arc
=2/9circumferenceof a circle …….(Given
Q. 9. Find the product of HCF and LCM of numbers 50 and 95. 1
Sol . Product = 4750
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CBSE 2009 Question Papers Class X
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