the diameter of the circle is 5.0 cm find its circumference
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Answer:
Since d , the diameter of the circle, is equal to two times the radius or 2r , we can see that C=πd by substituting d=2r into the first equation for the circumference. Therefore: C=π(5) or the circumference of the circle is 5π or approximately 15.708 cm. , rounded to three decimals.
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Answer:
Circumferenceof the circle is approximately 15.7
Step-by-step explanation:
Circumference of circle = 2 x pi x r
D = 5
Thus r = D/2 = 2.5
Therefore ,
Circumference of circle = 2 × 22/7 × 2.5
= 110/7 = 15.7
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