the radii of two circles are 19 cm and 9cm respectively find the radius of the circle which has circumference equal to the sum of the circumference of two circles
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Step-by-step explanation:
r1=9
r2=19
circumference=2*22/7*(r1+r2)
=44/7(28)
=176=2*22/7*r3
r3=88*7/22
r3=28
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hope this will help u so therefore radius is 27.99cm approximately 28cm.
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