Question

A 36° sector of a circle, had area 3.85cm². what is the length of arc of the sector?​

Answer 1

Answer:

2.2cm

⇒ 36 360 36360 × 22 7 227 × r2 = 3.85 ⇒ r2 = 3.85 × 10 × 7 22 3.85×10×722 = 12.25 ⇒ r = 3.5 cm. ∴ Length of arc = θ 360 0 θ3600 × π r 2 πr2 = 36 360 36360 × 2 × 22 7 227 × 3.5 = 2.2 cm

Step-by-step explanation:

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