CBSE Class 10 Maths Tangents to A Circle
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- From any point on the common chord of two intersecting circles, tangents be drawn to thecircles, prove that they are equal.
- please answer these questions
- A tangent PA is drawn fron an external point P to a circle of radius 3
cm such that the distance of the point P from O is 6cm.Find yhe value of
.
- Draw two concentric circles of radio 3 cm and 5 cm . Taking a point on the outer circle , construct the pair of tangents to the inner circle.
- Two circles touch each other externally at O. Prove that the common tangent at O bisects the other two common tangent segments PQ and RS.
- Two concentric circles are given. Prove that all chords of the circle with the larger radius which touch the circle with the smaller radius are congruent.
- What is the difference between a tangent and a secant?
- O is the centre of a circle of radius 8 cm. The tangent at A on the circle cuts a line through O at B such that AB = 15 cm. Find OB.
- Given two concentric circles of radii c and d where c > d, find the length of a chord of larger circle which touches the other.
- If PA and PB are two tangents drawn from a point P to a circle with centre O touching it at A and B, prove that OP is perpendicular bisector of AB.
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