GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

Question 486:

• JAMB 2002

A hunter 1.6 m tall, views a bird on top of a tree at an angle of 45°. if the distance between the hunter and the tree is 10.4 m, find the height of the tree.

A. 9.0 m
B. 12. 0 m
C. 8.8 m
D. 10.4 m

Question 487:

• JAMB 2002

A solid hemisphere has a radius of 7 cm. Find the total surface area.

A. 400 cm²
B. 462 cm²
C. 66 cm²
D. 308 cm²

Question 488:

• JAMB 2002

Find the value of a if the line 2y - ax + 4 = 0 is perpendicular to the line y + (x/4) - 7 = 0

A. -4
B. 4
C. 8
D. -8

Question 489:

• JAMB 2002

The locus of a point P which is equidistant from two given points S and T is

A. The perpendicular bisector of ST
B. The angle bisector of PS and ST
C. A perpendicular to ST
D. A line parallel to ST

Question 490:

• JAMB 2002

In the diagram above , XZ is the diameter of the circle XZW, with center O and radius 15/2 cm. If XY = 12 cm, find the area of the triangle XYZ

A. 54 cm²
B. 45 cm²
C. 27 cm²
D. 75 cm²