Two circles of radii 3cm and 2cm, have their centres 9cm apart. Draw transverse common tangent and measure the length of the tangent and write the measurement.
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Solution
First draw two circles of radii r1=3cm and r2=2cm with centres P and O respectively.
So, that the centres are 9cm apart from each other.
Draw the line joining two centres O and P. And then draw the transverse common tangent.
Measuring the length of transverse common tangent using ruler, we get it as 7cm