calculate the circular pathway of two concentric circle having radius R=18.5 and r=3. 5
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circular pathway means circumference
Circumference of 1st circle:2πR
= 2×22/7×18.5
Circumference of 1st circle:2πR
= 2×22/7×18.5
Gunju1st:
sorry I'd half only
2×22/7×18.5=96.16m
ans then circumference of 2nd circle is 2πr=2×22/7×3.5=22m
This is ur complete answer
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