In the given figure, PT touches the circle at R whose centre is O. Diameter SQ when produced meets PT at P. Given ∠SPR = x° and ∠QRP = y°. Then,
In the given figure, a circle touches the side BC of ΔABC at P and touches AB and AC produced at Q and R respectively. If AQ = 5 cm, find the perimeter of ΔABC.
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Two circles of radii 10 cm and 8 cm intersect each other and the length of common chord is 12 cm. The distance between their centres is.
A circle inscribed in ΔABC having AB = 10 cm, BC = 12 cm, CA = 28 cm touching sides at D, E, F (respectively). Then AD + BE + CF is ______.
In the given figure, O is the centre and SAT is a tangent to the circle at A. If ∠BAT = 30°, find ∠AOB and ∠AQB.
In the given figure, a circle touches all the four sides of a quadrilateral ABCD whose three sides are AB = 6 cm, BC = 7 cm, CD = 4 cm, then AD equals _________.
In the given figure, AB and PQ intersect at M. If A and B are centres of circles then _______.
In the following figure, PT is of length 8 cm. OP is 10 cm. Then the radius of the circle is___.
In the given figure, O is the centre of the circle, then ∠OZ is______.
In the given figure, O is the centre of the circle. If PA and PB are tangents, then the value of ∠AQB is
13 videos|44 docs|187 tests
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13 videos|44 docs|187 tests
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