2. The radii of two circles are 8 cm and 6 cm respectively. Find
the radius of the circle having area equal to the sum of the
areas of the two circles.
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Answer:
r = 10cm
Area of circle =πr^2
having radius 8cm , = π 64
having radius 6cm , = π36
Sum of the area = π 64 + π36
= 100π
New radius. =πR^2 = 100π
R^2. =. 100
R = 10cm
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