Question

central angle =45,=16cm. find the length of the arc,area and perimeter of sector.​

Answer 1

Answer:

) Central angle 45°, r = 16 cm Length of the arc l = θ°/360° × 2πr units l = 45°/360° × 2 × 3.14 × 16 cm l = 1/8 × 2 × 3.14 × 16 cm l = 12.56 cm Area of the sector = θ°/360° × πr2 A = 45°/360° × 3.14 × 16 × 16 A = 100.48 cm2 Perimeter of the sector P = l + 2r units P = 12.56

Step-by-step explanation:

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