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ddd [48]
3 years ago
14

A circle with circumference 8 has an arc with a 288 central angle what is the length of the arc

Mathematics
1 answer:
Harman [31]3 years ago
3 0

Answer:3.3

Step-by-step explanation:

Circumference=8

Φ=288

π=3.14

Radius=r

Circumference=2 x π x r

8=2 x 3.14 x r

8=6.28 x r

Divide both sides by 6.28

8/6.28=(6.28 x r) /6.28

1.3=r

r=1.3

Length of arc =Φ/360 x 2 x π x r

Length of arc =288/360 x 3.14 x 1.3

Length of arc =0.8 x 3.14 x 1.3

Length of arc =3.3

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3 years ago
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Remark
What an interesting question!! The first thing you have to do is find out what the interior angle of a regular pentagon is. After you have done that, you can calculate y.

Method.
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Step One

Find out the size of the exterior angles of a  regular pentagon. 
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5x = 360  Divide by 5
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Step Two
Find out the value of the interior angles of a pentagon.

Method
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Step Three
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