Mathematics · Mensuration
A sector is formed by a circular arc with a radius of 9 cm, subtending an 18° angle at the centre. What is its perimeter? (Use π = 3.14) (Rounded up to two decimal places.)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 118.38 cm
- 220.83 cm✓
- 324.14 cm
- 422.46 cm
Correct answer
20.83 cm
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