CBSE Class 10 Answered
DCT TCT
Asked by baidshryans | 26 Feb, 2009, 11:57: PM
Expert Answer
For Direct common Tangent:
Draw a radius of one circle [e.g. up to the right.]
Draw one in the second, parallel to the first. Extend the line joining points
of intersection of radii with the circles to meet the [horizontal] line joining
their centers at P.
Use that point with one of the far left points of an original circle diameter on
the horizontal line to draw a semi-circle [full for both tangents.] It will
intersect the first circle at the required point of tangency. Join the far
point, P, to that for the common tangent.
For Transverse common tangent:
Answered by | 09 Mar, 2009, 12:28: PM
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