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The length of an arc of a circle of radius 3 cm and central angle x is equal to 1.25π cm.

User Pike
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1 Answer

4 votes

Answer:

arc length ≈ 23.6 cm

Explanation:

the arc length is calculated as

arc = circumference of circle × fraction of circle

= 2πr ×
(1.25\pi )/(2\pi ) ( r is the radius ) ( cancel 2π on numerator/denominator )

= 2 × 3 × 1.25π

= 7.5π

≈ 23,6 cm ( to the nearest tenth )

User Shurup
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8.3k points