Can anyone include a diagram as part of the explanation here?

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Can anyone include a diagram as part of the explanation here?

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Answer 1 · 2017-02-28T10:00:09

$143^{\circ}$ $143^@$

Explanation:

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In a circle, the length of an arc is a portion of the circumference.
For example, an arc measure of $60^{\circ}$ $60^@$ is $\frac{1}{6}$ $1/6$ of the circle ( $360^{\circ}$ $360^@$ ). So the length of that arc will be $\frac{1}{6}$ $1/6$ of the circumference.

$\Rightarrow$ $=>$ arc length $= 2*pi*r*((Theta)/360)$

Given arc length $AB=10 cm$ , and radius $=4 cm$

$=> 10=2*pi*4*(Theta/360)$

$=> Theta=(10*360)/(2*pi*4)=143^@$ (to the nearest degree)

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Can anyone include a diagram as part of the explanation here?

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