The radius of a sector of a circle is 21cm, angle of the sector is 120°.Find the
area of the area of sector.
Answers
Answered by
5
Area of sector = x/360° ×2πr
where x is angle made at centre , r is radius of the sector
∴ Area of sector = 120×2×21×22/360×7 = 44cm^2
Answered by
4
Step-by-step explanation:
Area of sector = cos/360°-πr²
= 120°/360°-22/7×21×21
= 1/4-22×3×21
= 1/4-1386
= 5543/4
= 1385.75 cm²
Hope u like it.
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