5) Radius of a circle is 10cm .Measure of an arc of the circle is 54°.Find
the area of sector ( = 3.14)
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Answer:
r=10 cm
theta = 54°
theta =l/R
54=l/10
l = 5.4
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the area of sector = ang/360 πr²
= 56/360 π×10² = 0.155×π×100
the area of sector= 48.67cm²
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