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sanvi152

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sanvi152

Asked: October 18, 2022In: NCERT Class 10th Maths

In the figure, PA and PB are tangents from an external point P to a circle with centre O. LN touches the circle at M. Prove that PL + LM = PN + MN.

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help me

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sanvi152

Asked: October 18, 2022In: NCERT Class 10th Maths

n the figure, BDC is a tangent to the given circle at point D such that BD = 30 to the circle and meet when produced at A making BAC a right angle triangle. Calculate (i) AF (ii) radius of the circle.

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a bit typical question, provide an easy solution to it, how should i approach???

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sanvi152

Asked: October 17, 2022In: NCERT Class 10th Maths

O is the centre of a circle of radius 8 cm. The tangent at a point A on the circle cuts a line through O at B such that AB = 15 cm. Find OB.

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we have to find that line from that tangent AB