Mensuration - Jamb Mathematics Past Questions and Answers

Question 56:

• JAMB 1987

An (n - 2)² sided figure has n diagonals. Find the number n diagonals for a 25-sided figure

A. 7
B. 8
C. 9
D. 10

Question 57:

• JAMB 1987

An (n - 2)² sided figure has n diagonals. Find the number n diagonals for a 25-sided figure

A. 7
B. 8
C. 9
D. 10

Question 58:

• JAMB 1988

If a metal pipe 10cm long has an external diameter of 12cm and a thickness of 1cm find the volume of the metal used in making the pipe

A. 120\(\pi\)cm³
B. 110\(\pi\)cm³
C. 60\(\pi\)cm³
D. 50\(\pi\)cm³

Question 59:

• JAMB 1988

In the figure, PS = 7cm and RY = 9cm. IF the area of parallelogram PQRS is 56cm². Find the area of trapezium PQTS

A. 56cm²
B. 112cm²
C. 120cm²
D. 176cm²

Question 60:

• JAMB 1988

In the figure, STQ = SRP, PT = TQ = 6cm and QS = 5cm. Find SR

A. \(\frac{47}{5}\)
B. 5
C. \(\frac{32}{5}\)
D. \(\frac{22}{5}\)