find the radius of the circle with given the circumference-31.5cm
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circumference=31.5
2πr=31.5
2×22/7×r=31.5
r=31.5×7/44
r=5.01cm
Answered by
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Answer:
2205/440
Step-by-step explanation:
circumference=2pie r
31.5=2×22/7×r
r=315×7/22×2×10
r=2205/440
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