Mensuration - Mathematics Jamb Past Questions and Answers

Question 161 :

• JAMB 2021

The angle of a sector of a circle, radius 10.5cm, is 48°, Calculate the perimeter of the sector

A. 8.8cm
B. 25.4cm
C. 25.6cm
D. 29.8cm

Question 162 :

• JAMB 2021

Find the length of a side of a rhombus whose diagonals are 6cm and 8cm

A. 8cm
B. 5cm
C. 4cm
D. 3cm

Question 163 :

• JAMB 2021

A cylinder pipe, made of metal is 3cm thick.If the internal radius of the pipe is 10cm.Find the volume of metal used in making 3m of the pipe.

A. 153\(\pi\)cm³
B. 207\(\pi\)cm³
C. 15 300\(\pi\)cm³
D. 20 700\(\pi\)cm³

Question 164 :

• JAMB 2021

What is the rate of change of the volume V of a hemisphere with respect to its radius r when r = 2?

A. 8π
B. 16π
C. 2π
D. 4π

Question 165 :

• JAMB 2021

A trapezium has two parallel sides of length 5cm and 9cm. If the area is 91cm\(^2\), find the distance between the parallel sides

A. 13 cm
B. 4 cm
C. 6 cm
D. 7 cm