If r = 7 cm and θ = 60°, then find the perimeter of the minor sector.

Given,
r = 7 cm
θ = 60°
Perimeter of the minor sector = 2r + (θ/360°) 2πr
= 2(7) + (60°/360°) × 2 × (22/7) × 7
= 14 + (1/6) × 2 × 22
= 14 + 7.33
= 21.33 cm

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