two circles touch internally the sum of their area is 108 pi cm square and the distance between the centre is 3 cm find the radii of the circles
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Answer:
R is the Radius of Big Circle
. πR2 =108πcm2
R2=v108
R= 6V3cm. = 10.4 cm . . . . Ans
Let radius of smallcircle r
R-r = 3(given)
10.4-r=3
r = 10.4-3
= 10.4-3=7.4cm.=7.4cm Ans
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