GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

Question 491:

• JAMB 2002

In the diagram above, PST is a straight line, PQ = QS = RS. If ∠ RST = 72^o, find x

A. 36^o
B. 18^o
C. 72^o
D. 24^o

Question 492:

• JAMB 2002

In the diagram above are two concentric circles of radii r and R respectively with center O. If r = ²/₃R, express the area of the shaded portion in terms of π and R

A. ²¹/₂₅πR²
B. ⁹/₂₅πR²
C. ²¹/₂₃πR²
D. ⁵/₉πR²

Question 493:

• JAMB 2002

In the diagram above, a cylinder is summounted by a hemisphere bowl. Calculate the volume of the solid.

A. 180 πcm³
B. 162 πcm³
C. 216 πcm³
D. 198 πcm³

Question 494:

• JAMB 2002

The triangle PQR above is

A. An obtuse-angled triangle
B. A scalene triangle
C. An isosceles triangle
D. An equilateral triangle

Question 495:

• JAMB 2003

The graph of the function y = x\(^2\) + 4 and a straight line PQ are drawn to solve the equation x\(^2\) - 3x + 2 = 0. What is the equation of PQ?

A. Y = 3x - 2
B. Y = 3x + 2
C. Y = 3x - 4
D. Y = 3x + 4