Mensuration - Jamb Mathematics Past Questions and Answers

Question 1:

• JAMB 1979

If the value of \(\pi\) is taken to be \(\frac{22}{7}\), the area of a semi-circle of diameter 42m is

A. 5544m²
B. 1386m²
C. 132m²
D. 264m²
E. 693m²

Question 2:

• JAMB 2019

In the figure above, |CD| is the base of the triangle CDE. Find the area of the figure to the nearest whole number.

A. 56 cm\(^2\)
B. 24 cm\(^2\)
C. 42 cm\(^2\)
D. 34 cm\(^2\)

Question 3:

• JAMB 2019

In the circle above, with centre O and radius 7 cm. Find the length of the arc AB, when < AOB = 57°.

A. 5.32 cm
B. 4.39 cm
C. 7.33 cm
D. 6.97 cm

Question 4:

• JAMB 2019

Calculate the volume of the regular three dimensional figure drawn above, where < ABC = 90° (a right- angled triangle).

A. 394 cm\(^3\)
B. 425 cm\(^3\)
C. 268 cm\(^3\)
D. 540 cm\(^3\)

Question 5:

• JAMB 2018

Calculate the area of an equilateral triangle of side 8cm

A. 8√3
B. 16
C. 4√3
D. 16√3