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Thepotemich [5.8K]
3 years ago
11

The diameter of a circle is 8 kilometers. What is the angle measure of an arc ​ kilometers long?

Mathematics
1 answer:
inn [45]3 years ago
7 0
Answer: 14.32 degrees

The circle has a diameter of 8 kilometers, so the perimeter would be:
perimeter= pi * diameter
perimeter= 22/7 * 8 kilometers= <span>25.14 kilometers

A full perimeter </span>of the circle, which is 25.14km,  has 360° angle. So 1km arc would be: 1km/ 25.14 km * 360°= 14.32°
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