waecE-LEARNING
General Mathematics Paper 2,Nov/Dec. 2012  
Questions: 1 2 3 4 5 6 7 8 9 10 11 12 13 Main
General Comments
Weakness/Remedies
Strengths

Question 11

  1. A sector of a circle with radius 20 cm has an area of 396 cm2. Calculate, correct to 1 decimal place, the

    1. sectoral angle
    2. perimeter of the sector
    3. volume of the cone formed when the sector is bent such that its straight edges coincide.
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Observation

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