Mensuration - Jamb Mathematics Past Questions and Answers

Question 76:

• JAMB 1991

The area of a square is 144 sq cm. Find the length of its diagonal

A. 11\(\sqrt{3cm}\)
B. 12cm
C. 12\(\sqrt{2cm}\)
D. 13cm

Question 77:

• JAMB 1991

One angle of a rhombus is 60^o. The shorter of the two diagonals is 8cm long. Find the length of the longer one.

A. 8\(\sqrt{3}\)
B. \(\frac{16}{\sqrt{3}}\)
C. \(\sqrt{3}\)
D. \(\frac{10}{\sqrt{3}}\)

Question 78:

• JAMB 1991

Find the total area of the surface of a solid cylinder whose base radius is 4cm and height is 5cm

A. 56\(\pi\) cm²
B. 72\(\pi\) cm²
C. 96\(\pi\) cm²
D. 192\(\pi\) cm²

Question 79:

• JAMB 1991

In the figure, PQRS is a square of sides 8cm. What is the area of \(\bigtriangleup\)UVW?

A. 64 sq. cm
B. 40 sq.cm
C. 50 sq.cm
D. 10 sq.cm

Question 80:

• JAMB 1992

Determine the distance on the earth's surface between two town P (lat 60°N, Long 20°E) and Q(Lat 60°N, Long 25°W) (Radius of the earth = 6400km)

A. \(\frac{800\pi}{9}\)km
B. \(\frac{800\sqrt{3\pi}}{9}\)km
C. 800\(\pi\) km
D. 800\(\sqrt{3\pi}\) km