Convert 42 miles to kilometres
2 answers:
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The length of the arc is 4π.
<u>Step-by-step explanation</u>:
Given,
- Diameter = 24 ft
- radius, r = diameter/2
- r = 24/2 = 12 ft
- central angle, ∅ = 60°
Arc length = ∅/360° (2πr)
⇒ 60°/360° (2π12)
⇒ 24π/6
⇒ 4π
∴ The length of the arc is 4π.