AB and AC are two tangents to the circle...

AB and AC are two tangents to the circle with centre at O. Prove that AO bisects the chord passing through point of contact at right angle.

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CALCUTTA BOOK HOUSE-THEOREMS RELATED TO TANGENT IN A CIRCLE -EXERCISE 4.1

PR and PS are two tangents drawn from a extental point P of the Circle...
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PQ is a diameter of the circle with centre at O. The tengent drawn at ...
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PQ is a chord of the circle with centre at C and of radius 4 cm.The ta...
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The tangent drawn from an extenral point A of the circle with centre C...
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If two circles touch internally,then the distance between the centres ...
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The tangent to a circle at any point on it is perpendicular to the rad...
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Only "" tangent can be drawn at any point on the circumference of a ci...
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The perpendicular drawn on radius at the end point of radius of a circ...
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The radii of two circles are 10 cm and 5 cm and the distance between t...
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PQ is a diameter of the circle with centre at O. The tangent drawn at ...
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The lengths of two radii of two circles are repectively 3 cm and 2 cm....
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Prove that the centres of three equal circles touchinhg each other are...
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AB and AC are two tangents to the circle with centre at O. Prove that ...
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Two equal circles touches each other externally at a point C and a lin...
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The quadrilateral ABCD is circumsribed about a circle. Prove that AB+ ...
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Two circles touch each other externally at a point A and a stright lin...
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Prove that the parallelogram circumscribed about a circle is only a rh...
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Draw a circle with radius 3.4cm and draw a tangent at one side of the ...
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Draw a circle of radius 4cm. From a point 8cm away its centre, constru...
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Draw a circle of radius 5cm. From a point 11cm away its centre, constr...
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