GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

Question 181:

• JAMB 1981

In the figure, find the area of XYZW

A. 60cm²
B. 54cm²
C. 27cm²
D. 54\(\sqrt{2}\)cm²
E. 27\(\sqrt{2}\)cm²

Question 182:

• JAMB 1981

In the diagram, XZ is the diameter of a circle's radius \(\frac{5}{2}\). If XY is 4cm, then the area of the triangle XYZ is

A. 12cm²
B. 28\(\frac{1}{2}\)cm²
C. 16cm²
D. 10cm²
E. 6cm²

Question 183:

• JAMB 1982

Which of the following lines is not parallel to the line 3y + 2x + 7 = 0?

A. 3y + 2x - 7 = 0
B. 9y + 6x + 17 = 0
C. 24y + 16x + 19 = 0
D. 3y - 2x + 7 = 0
E. 15y + 10x - 13 = 0

Question 184:

• JAMB 1982

If f(x - 2) = 3x² + 4x + 1. Find the area of the sector

A. 8
B. 40
C. 7
D. 24
E. 32

Question 185:

• JAMB 1982

A sector of a circle is bounded by two radii 7cm long and an arc length 6cm. Find the area of the sector.

A. 42cm²
B. 3cm²
C. 21cm²
D. 24cm²
E. 12cm²