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Class 9-10, JEE & NEET
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Write the steps of construction to construct the tangents to a circle from an external point.
. Draw a circle with O as centre and some radius.
. Mark a point P outside the circle. Join OP.
. Draw the perpendicular bisector of OP cutting it at M.
. Draw another circle with M as centre and radius MP (or OM), to intersect the given circle at the points A and B.
. Join PA and PB.
Here, PA and PB are the required tangents.