GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

Question 326:

• JAMB 1990

In the figure, PQR is a semicircle. Calculate the area of the shaded region

A. 125^{\(\frac{2}{7}\)2}
B. 149^{\(\frac{2}{7}\)}cm²
C. 234^{\(\frac{1}{7}\)}cm²
D. 267^{\(\frac{1}{2}\)}cm²

Question 327:

• JAMB 1991

Find the gradient of the line passing through the points (-2, 0) and (0, -4)

A. 2
B. -4
C. -2
D. 4

Question 328:

• JAMB 1991

The area of a square is 144 sq cm. Find the length of its diagonal

A. 11\(\sqrt{3cm}\)
B. 12cm
C. 12\(\sqrt{2cm}\)
D. 13cm

Question 329:

• JAMB 1991

One angle of a rhombus is 60^o. The shorter of the two diagonals is 8cm long. Find the length of the longer one.

A. 8\(\sqrt{3}\)
B. \(\frac{16}{\sqrt{3}}\)
C. \(\sqrt{3}\)
D. \(\frac{10}{\sqrt{3}}\)

Question 330:

• JAMB 1991

If the exterior angles of a pentagon are x°, (x + 5)°, (x + 10)°, (x + 15)° and (x + 20)°, find x

A. 118^o
B. 72^o
C. 62^o
D. 36^o