This question is from trignometry of class 9.

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Oobug · Answer 1 · 2020-01-17T14:04:45+0000

Answer:

4.2π cm ≈ 13.19 cm

Explanation:

The length s of an arc of a circle with radius r and central angle θ (in radians) is ...

s = rθ

Here, we have ...

s = (5.6 cm)(3π/4) = 4.2π cm ≈ 13.19 cm

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This question is from trignometry of class 9.