GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

Question 231:

• JAMB 1984

In the figure, O is the centre of circle PQRS and PS//RT. If PRT = 135, then PSO is

A. 67\(\frac{1}{2}\)^o
B. 22\(\frac{1}{2}\)^o
C. 33\(\frac{1}{2}\)^o
D. 45^o
E. 90^o

Question 232:

• JAMB 1985

At what real value of x do the curves whose equations are y = x³ + x and y = x² + 1 intersect?

A. -2
B. 2
C. -1
D. 9
E. 1

Question 233:

• JAMB 1985

In \(\bigtriangleup\) XYZ, XY = 13cm, YZ = 9cm, XZ = 11cm and XYZ = \(\theta\). Find cos\(\theta\)^o

A. \(\frac{4}{39}\)
B. \(\frac{43}{39}\)
C. \(\frac{209}{3}\)
D. \(\frac{43}{78}\)

Question 234:

• JAMB 1985

If the hypotenuse of right angled isosceles triangle is 2, what is the length of each of the other sides?

A. \(\sqrt{2}\)
B. \(\frac{1}{2}\)
C. 22
D. 1
E. 2 - 1

Question 235:

• JAMB 1985

The bearing of a bird on a tree from a hunter on the ground is N72oE. What is the bearing of the hunter from the birds?

A. S 18^o W
B. S 72^o W
C. S 72^o E
D. S 27^o E
E. S 27^o W