GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

Question 21:

• 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 22:

• 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 23:

• JAMB 2019

If $\sin x=\frac{4}{5}$, find $\frac{1+{\cot }^{2}x}{{\csc }^{2}x-1}$.

A. $\frac{13}{2}$
B. $\frac{25}{9}$
C. $\frac{3}{13}$
D. $\frac{4}{11}$

Question 24:

• JAMB 2018

From a point R, 300m north of P, a man walks eastwards to a place; Q which is 600m from P. Find the bearing of P from Q correct to the nearest degree

A. 026${}^o$
B. 045${}^o$
C. 210${}^o$
D. 240${}^o$

Question 25:

• JAMB 2018

Calculate the area of an equilateral triangle of side 8cm

A. 8√3
B. 16
C. 4√3
D. 16√3