The radil of two circles are 13cm and 6cm respectively. The radius of the circle which has circumference equal to sum of the circumference of the two circles is
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Circumference of circle =2pi r
r1=13 r2=6
C2=2*22/7*6=264/7
C1=2*22/7*13=572/7
C1+C2=C
C=264/7+572/7
C=836/7
C=2pi r
836/7=2 *22/7* r
r=826/7*7/22*1/2
r=18.7
Hope it helped you
r1=13 r2=6
C2=2*22/7*6=264/7
C1=2*22/7*13=572/7
C1+C2=C
C=264/7+572/7
C=836/7
C=2pi r
836/7=2 *22/7* r
r=826/7*7/22*1/2
r=18.7
Hope it helped you
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