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Q4. Two tangents PA and PB are drawn to a circle with Centre 0 from an external point P prove that LAPB = 2 LOAB.
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Oct 19, 2020 |
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Q3. In the given figure, AB is a chord of length 9.6 cm of a circle with centre 0 and radius 6 cm. The tangents at A and B intersect at P. Find the length of PA.
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Oct 19, 2020 |
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Q2. Prove that the tangent drawn at the midpoint of an arc of a circle is parallel to the chord joining the end points of the arc.
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Oct 19, 2020 |
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Q1. Prove that the tangents at the extremities of any chord of a circle, make equal angles with the chord.
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Oct 19, 2020 |