GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

Question 146:

• JAMB 1979

PQ is parallel to RS. Calculate the value of x.

A. 20^o
B. 40^o
C. 60^o
D. 80^o
E. 100^o

Question 147:

• JAMB 1979

Find x in the diagram below.

A. 3\(\sqrt{3}\)
B. \(\frac{3(\sqrt{3} - 1)}{\sqrt{3} + 1}\)
C. \(\frac{(\sqrt{3} - 1)}{\sqrt{3} + 1}\)
D. \(\frac{3 - 1}{\sqrt{3} + 1}\)

Question 148:

• JAMB 1980

A solid cylinder of radius 3cm has a total surface area of 36\(\pi\)cm2. Find its height

A. 2cm
B. 3cm
C. 4cm
D. 5cm
E. 6cm

Question 149:

• JAMB 1980

The ratio of the areas of similar triangles is necessarily equal to

A. The ratio of the corresponding sides
B. The ratio of the squares of corresponding sides
C. The ratio of the corresponding heights of the triangles
D. Half the ratio of the corresponding heights of the triangles
E. The ratio of the corresponding bases to the heights of the triangles

Question 150:

• JAMB 1980

P and Q are fixed points and X is a variable point which moves so that angle PXQ = 45o. What is the locus of x?

A. A pair of straight lines parallel to PQ
B. The perpendicular bisector of PQ
C. An arc of a circle passing through P and Q
D. A circle with diameter PQ
E. The bisector of angle PXQ