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Vadim26 [7]
3 years ago
15

A circle with circumference 20 has an arc with 72 degree central angle what is length of the arc

Mathematics
1 answer:
Debora [2.8K]3 years ago
4 0

Answer:

<h2>4</h2>

Step-by-step explanation:

<em>Look at the picture.</em>

<em />

<em>At the beginning we have to calculate what part of the angle 360° is the given angle 75°.</em>

<em />\dfrac{75}{360}=75:360=0.2<em />

<em>The same part of the circumference of the circle is the arc defined by this central angle.</em>

The circumference <em>C = 20</em>.

Therefore

x=0.2\cdot20=4

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