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circle of radius "r" is inscribed in a quarter circular region OPQ.
the inscribed circle has chord(≠diameter)
& P-A-B-Q.
then find length of chord AB
Dear ajinkya bhole
R = r+r√2
PQ =R√2
=2r +r√2
OD =DQ=PQ/2 =r +r/√2
PD =OD -OP
=r +r/√2 -r√2 = r -r/√2
so AB=2AD =2√(r2 -PD2)
put the value of PD and find AB
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