if the area of the of a circle is equal to sum of the areas of two circles of diameter 10 cm and 24 cm calculate the diameter of the circle Area Circle
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tapanaggarwal:
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Let the radius of circle be r then,
area will be πr^2 so,
πr^2=π(5)^2 + π(12)^2
then , r^2= 25+ 144
r=13
the diameter of circle be 26 cm
area of circle be 169π
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