the arc, when the corresponding central angle is 144
The diameter of a circle is 10 cm. Find the length
(Tt = 3.14).
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Answer:
r=10/2=5
π = 3.14
theta = 144°
length of an arc= 2πr theta /360
=πr theta/180
=3.14 x 5 x 144/180
=12.56cm
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