Circumference of the circle
2 answers:
Step-by-step explanation:
The formula for calculating a circle's circumference is πd, where π is an irrational number (3.14....) and d is the diameter of the circle.
In the circle with diameter 19.5cm, the circumference is around 3.14 * 19.5cm = 61.23cm. (A)
Answer:
61.2
Step-by-step explanation:
circumference= 2πR
r=d/2
r= 19.5/2
r=9.75
circumference= 2×3.14×9.75
circumference= 61.2
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Answer:
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Step-by-step explanation:
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