EASY
10th CBSE
IMPORTANT
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The number of tangents that can be drawn from an external point to a circle is

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Important Questions on Circles

EASY
10th CBSE
IMPORTANT

In the given figure, RQ is a tangent to the circle with centre O. If SQ=6 cm and QR=4 cm then OR is equal to

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MEDIUM
10th CBSE
IMPORTANT

In a circle of radius 7 cm, tangent PT is drawn from a point P such that PT=24 cm. If O is the centre of the circle, then length OP=?

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EASY
10th CBSE
IMPORTANT
Which of the following pairs of lines in a circle cannot be parallel?
MEDIUM
10th CBSE
IMPORTANT
The chord of a circle of radius 10 cm subtends a right angle at its centre. The length of the chord (in cm) is
MEDIUM
10th CBSE
IMPORTANT

In the given figure, PT is a tangent to the circle with centre O. If OT=6 cm and OP=10 cm, then the length of tangent PT is

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MEDIUM
10th CBSE
IMPORTANT

In the given figure, point P is 26 cm away from the centre of a circle and the length PT of the tangent drawn from P to the circle is 24 cm. Then, the radius of the circle is

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MEDIUM
10th CBSE
IMPORTANT
PQ is a tangent to a circle with centre O at the point P. If OPQ is an isosceles triangle, then OQP is equal to
MEDIUM
10th CBSE
IMPORTANT

In the given figure, AB and AC are tangents to the circle with a centre O such that BAC=40°, then BOC is equal to

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