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Which is greater, the circumference of a circle with radius 3 ft, or the distance around a semicircle with diameter 16 A? By how much? circle, by 40 ft circle, by 2n ft semicircle, by 40 ft Od semicircle, by 21 ft​

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Answer:

Option C

Step-by-step explanation:

Circumference of a circle = [tex]2\pi r[/tex]

Circumference of a circle with radius 3 ft= [tex]2\pi *3 = 6\pi[/tex]

Circumference of a circle with radius 8 ft or 16 ft= [tex]2\pi *8/2 = 16\pi/2 = 8\pi[/tex]

The difference between the two circle

[tex]8 \pi - 6\pi = 2\pi \\= 2 * 3.14\\= 6.28\\[/tex]

Hence, option C is correct

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