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Csabapap · Answer 1 · 2023-07-15T12:33:30+0000

Answer:

$1.5\pi$ cm

Explanation:

A central angle measuring
$45^\circ$ is
$(45^\circ)/(360^\circ)=(45)/(360)$ , or
(1)/(8) of the entire circle. The circumference of the circle is given by the formula
$2\pi r$ , which is
$12\pi$ .

Then, the length of an arc measuring
(1)/(8) of the entire circle is
$12\pi\cdot(1)/(8)=1.5\pi$ cm.

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