Mensuration - Jamb Mathematics Past Questions and Answers

Question 156:

• JAMB 2016

Calculate the perimeter of a sector of a circle of raduis 12cm and angle 60o.

A. (12 + 4\(\pi\))cm
B. (24 + 4\(\pi\))cm
C. (12 + 6\(\pi\))cm
D. (24 + 6\(\pi\))cm

Question 157:

• JAMB 2020

The angle of a sector of a circle radius 10.5 cm is 48\(^o\). Calculate the perimeter of the sector.

A. 25.4cm
B. 25.4cm
C. 25.6cm
D. 29.8cm

Question 158:

• JAMB 2020

A sector of circle of radius 7.2cm which substends an angle of 300\(^o\) at the centre is used to form a cone. What s the radius of the base of the cone?

A. 8cm
B. 9cm
C. 6cm
D. 7cm

Question 159:

• JAMB 2020

A cylindrical tank has a capacity of 3080m\(^3\). What is the depth of the tank if the diameter of its base is 14m?

A. 25m
B. 23m
C. 22m
D. 20m

Question 160:

• JAMB 2020

The acres for rice, pineapple, cassava, cocoa and palm oil in a certain district are given respectively as 2, 5, 3, 11 and 9. What is the angle of the sector of cassava in a pie chart?

A. 180\(^o\)
B. 36\(^o\)
C. 60\(^o\)
D. 108\(^o\)