GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

Question 251:

• JAMB 1986

A girl walks 45 meters in the direction 050^o from a point Q to a point X. She then walks 24 meters in the direction 140^o from X to a point Y. How far is she then from Q?

A. 69m
B. 57m
C. 51m
D. 21m

Question 252:

• JAMB 1986

An arc of a circle of radius 6cm is 8cm long. Find the area of the sector

A. 5\(\frac{1}{3}\)cm²
B. 24cm²
C. 36cm²
D. 84cm²

Question 253:

• JAMB 1986

Find the total surface area of solid cone of radius 2\(\sqrt{3}\)cm and slanting side 4\(\sqrt{3}\)

A. 8\(\sqrt{3}\pi \)cm²
B. 24\(\pi \)cm²
C. 15\(\sqrt{3}\pi \)cm²
D. 36\(\pi \)cm²

Question 254:

• JAMB 1986

If U and V are two distinct fixed points and W is a variable points such that UWV is a right angle, what is the locus of W?

A. The perpendicular bisector of UV
B. A circle with UV as radius
C. A line parallel to the line UV
D. A circle with the line UV as the diameter

Question 255:

• JAMB 1986

An open rectangular box externally measures 4m x 3m x 4m. Find the total cost of painting the box externally if it costs N2.00 to paint one square meter

A. N96.00
B. N112.00
C. N136.00
D. N160.00