The inner circumference of a circular track is 440 m find it diameter also find the area of the inner circle
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Answer:
d=140 , area= 15400
Step-by-step explanation:
Circumference of inner circle= 440
2πr. =440
2 × (22/7) × r. =440
r. =440×7/2×22
r =70
d = 70×2=140
Area = πr2
= (22/7) × 70 × 70
= 15400
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