The radius of a circle is 9 cm . A central angle intercepts an arc that is 9 cm . What is the measure of the central angle in radians?

asked Dec 21, 2024 35.3k views

4 votes

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4 votes

Answer: 1 radian

Explanation:

We use the formula
$s=\theta r$ , where
is the arc length,
is the radius, and
$\theta$ is the central angle.

$9=9\theta \implies \theta =1$

Dave Doga Oz answered Dec 26, 2024

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