the radii of two circle are 84 centimetre and 98 centimetre respectively how much longer is the circumference of the second circle then the first
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Answer:
616
Step-by-step explanation:
circumference of circle = 2×22/7×r
circumference of 2nd circle = 2×22/7×98
= 2×22×28
= 1232
circumference of 1st circle = 2 × 22/7×84
= 2×22×14
= 616
1232-616=616
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