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Zanzabum
3 years ago
7

How to work this out? In a circle with an 8-inch radius, a central angle has a measure of 60°. How long is the segment joining t

he endpoints of the arc cut off by the angle?

Mathematics
2 answers:
puteri [66]3 years ago
5 0

Answer:

The length of segment joining the endpoints of the arc is 8\ in

Step-by-step explanation:

we know that

In the triangle ABC

see the attached figure to better understand the problem

AC=BC -----> is the radius of the circle  

m

m ----> given problem (central angle)

Initially the triangle ABC is an isosceles triangle

Remember that

the sum of the internal angles of triangle must be equal to 180\°

For this particular case, the isosceles triangle ABC becomes an equilateral triangle, as the three angles are equal to 60\°

The equilateral triangle has three equal sides and tree equal angles

so

AC=BC=AB

Hence

The length of segment joining the endpoints of the arc is 8\ in



Vlad [161]3 years ago
4 0

The segment joining the endpoints of the arc cut off by the angle is 8 inches long. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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