Jamb Mathematics 1981 Past Questions and Answers

Question 46:

• JAMB 1981

In the figure, find x in terms of a, b and c.

A. A + b + c
B. 180^o - (a + b + c)
C. A - b - c
D. A + b
E. A + c

Question 47:

• 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