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A sector is formed between two radii and an arc.
Perimeter of a sector formula math. Where l is the length of the minor arc ab. Perimeter r r l. Perimeter of the sector 2 times radius plus arc length. Perimeter of the sector.
L θ 360 2 r. Calculate the perimeter of the sector shown correct to 1 decimal place. The formula for the perimeter of the sector of a circle is given below. Formula to find area of sector is.
To find the perimeter we need to add these values together. 12 2 mm to 1 decimal place. Formula to find length of the arc is. 2 x 4 x 2 x 3 14 x 4.
Perimeter of sector radius radius arc length perimeter of sector 2 radius arc length. L 2r. A θ 360 r2 square units. Text perimeter arc length 2r here we are given the arc length and the radius.
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