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CBSE Class 10 Answered

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Asked by | 06 Mar, 2013, 10:47: AM
answered-by-expert Expert Answer

As PB and BQ are tangents from B to the circle   so

PB=BQ

Similarly

AP=AR

CR=CQ

AP+PB+CQ=AR+BQ+CR

AB+CQ=AC+BQ

Also

Area of triangle=1/2(AB+BC+AC)*r

                            =1/2(2s)*r

                          = ½(perimeter)*r

Answered by | 06 Mar, 2013, 11:52: AM
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