Question

The angular measures of an arc of a circle of radius 21 cm is 150degree . find the length of that arc​

Answer 1

Answer:

55 cm

Step-by-step explanation:

Given

❊Angular measure of an arc of a circle (radius)❊ = 21 cm

✠Angle of sector✠ = 150°

❆To find❆

Length of the arc

Solution

We have :-

r = 21 cm

θ = 150°

✎We shall find length of arc using the formula :-

⬤(θ / 360) ×2πr

⬤(150 / 360) × 2 × 22/7 × 21

⬤(15 / 36) × 44/7 × 21

⬤(15/36) × 132

⬤55

Hence, the length of arc is 55 cm.

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Answer 2

Answer:

step by step answer

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