Mensuration Jamb Mathematics Past Questions
Question 11
A sector of a circle has an area of 55 cm. If the radius of the circle is 10 cm, calculate the angle of the sector [π = 22/7]
- A. 45°
- B. 63°
- C. 75°
- D. 90°
Question 12
In the diagram above, QR is in the diameter of the semicircle QR. Find the area of the figure to the nearest whole number. [\(\pi = \frac{22}{7}\)]
- A. 89 cm\(^2\)
- B. 70 cm\(^2\)
- C. 90 cm\(^2\)
- D. 80 cm\(^2\)
Question 13
In the diagram above, PQ = 10 cm, PS = 8 cm and ∠PSR is 60
while ∠SRQ is a right angle. Find SR
- A. 14 cm
- B. 14√3 cm
- C. 10 cm
- D. 10√3 cm
Question 14
The cost of renovating a 6 m square room is N540. What is the cost of renovating a 9 m square room?
- A. N1215
- B. N720
- C. N1620
- D. N810
Question 15
The volume of a hemispherical bowl is \(718\frac{2}{3}\). Find its radius .
- A. 4.0 cm
- B. 5.6 cm
- C. 7.0 cm
- D. 3.8 cm
