A sector is cut from a circle of radius 21 CM angle of the sector 150 find the length of an Arc and area
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Answered by
5
Rad :21
Perimeter : 2. Pie.21 ::— 132 cm
132 cn for 360 circle
Means 132/360 * 150 :: 55 cm ans
Perimeter : 2. Pie.21 ::— 132 cm
132 cn for 360 circle
Means 132/360 * 150 :: 55 cm ans
Answered by
3
Thank you for asking this question. Here is your answer:
r = 21 cm
Θ = 120°
The length of arc = 2πr x θ/360
= 2 x 22/7 x 21 x 120/360
= 44 cm
Area of Sector = πr² x θ/360
= 22 x 21 = 462cm²
If there is any confusion please leave a comment below.
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