Question

Find the exact perimeter of the sector With an angle of 60ﾟ and a radius of 18cm


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Answer 1

Answer:54.84cm

Explanation:

π=3.14

Φ=60°

Radius=18°

Perimeter of sector=2 x radius + length of arc

Perimeter of sector=2 x radius + Φ/360 x 2 x π x radius

Perimeter of sector=2x18+60/360x2x3.14x18

Perimeter of sector=36+60/360x113.04

Perimeter of sector=36+(60x113.04)/360

Perimeter of sector=36+6782.4/360

Perimeter of sector=36+18.84

Perimeter of sector=54.84