Question #d6ddc

1 Answer
Shwetank Mauria
Oct 30, 2017

(C) construct a tangent from and external point.

Explanation:

In the given figure we have a circle with center #O# and an external point #M#, from which a tangent is to be drawn to the circle. Hence, answer is (C) construct a tangent from and external point .

The steps for this are

  1. Join the external point #M# and the center #O#.
  2. Find the middle point of #OM# by drawing its perpendicular bisector, which cuts the segment #OM# at #P#.
  3. With center as #P# and radius equal to #PO#, draw an arc to cut circle at #G#.
  4. Then #MG# is the desired tangent.
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