Math, asked by hjhhhhh3417, 20 hours ago

The radius of the sector is 21cm and its central angle is 120° . find the length of the arc , area of the sector and perimeter of sector

Answers

Answered by balwinderkaur2813

1

Answer:

given below is your answer

Step-by-step explanation:

i)Arc length=

0/360° ×2πr= 60°/360° ×2 × 22/7 ×21 = 22 cm

Area=

0/360° ×πr 2 = 60°/360° ×21×21=231㎠

Perimeter=

Arc length+2r=22+(2×21)=64㎝

PLEASE MARK ME AS BRAINLIEST

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