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The circle below has center o, and its radius is 4 yd. Given that m

The circle below has center o, and its radius is 4 yd. Given that m-example-1
User Fvu
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1 Answer

7 votes

Answer:

length = 0.89π yd

area = 14.22π yd^2

Explanation:

Given r = 4, θ = 40

Length of an arc = 2πr(θ/360º)

l = 2π(4)(40/360) = π(320/360) = π(8/9) = 0.89π

Given r = 4, θ = 360 - 40 = 320

Area of a sector of circle = πr^2(θ/360º)

A = π(4^2)(320/360) = π(16)(8/9) = 14.22π

User Shardul
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