the diameter of a circle is 3.5 cm find the length of the arc whose degree measure is. 270°
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Answer is 33/4 or 8.25 cm
Step-by-step explanation:
Length of arc =2 π r * Ф/360
r = 3.5/2 cm = 35/20 cm
Ф = 270
Length of arc = 2*22/7 * 35/20 * 270/360
= 2*22/7 * 7/4 * 3/4
On solving we get 33/4
= 8.25
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