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maks197457 [2]
3 years ago
8

What is the approximate distance around the half circle with a diameter of 64 meters?   A. 100.48 m   B. 200.96 m   C. 401.92 m

  D. 1607.68 m
Mathematics
2 answers:
Nookie1986 [14]3 years ago
7 0
Well, first you should know the formula for finding the full distance around a circle. The distance is also known as the circumference C:

C = 2<span>πr 

where r is the radius which is half of the diameter. since we know the diameter, then we have enough information to solve for this:

</span>C = 2<span>π(64/2) m

C = 2</span><span>π(32) m

C = 64</span><span>π m

C </span><span>≈ 200.96 m

Now you might choose this as the answer, but the problem asks for half of the distance around the circle which is half of the circumference:

1/2C = 200.96/2

1/2C = 100.48

Thus the answer is A. 100.48.</span>
Leno4ka [110]3 years ago
5 0
Your answer is A. 100.48 m I believe.
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