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

Mathematics 2009 Question Papers Class X
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					Set 2		Set 2
					Set 3		Set 3