Euclidean Geometry - Jamb Mathematics Past Questions and Answers

Question 161:

• JAMB 2000

In the diagram, EFGH is a circle centre O. FH is a diameter and GE is a chord which meets FH at right angle at the point N. If NH = 8cm and EG = 24cm, calculate FH

A. 32cm
B. 26cm
C. 20cm
D. 16cm

Question 162:

• JAMB 2001

A point P moves such that it is equidistant from Points Q and R. Find QR when PR = 8cm and angle PRQ = 30°

A. 4√3cm
B. 8cm
C. 8√3cm
D. 4cm

Question 163:

• JAMB 2001

Find the number of sides of a regular polygon whose interior angle is twice the exterior angle.

A. 6
B. 2
C. 3
D. 8

Question 164:

• JAMB 2001

P(-6, 1) and Q(6, 6) are the two ends of the diameter of a given circle. Calculate the radius.

A. 6.5 units
B. 13.0 units
C. 3.5 units
D. 7.0 units

Question 165:

• JAMB 2001

The chord ST of a circle is equal to the radius, r, of the circle. Find the length of arc ST.

A. πr/6
B. πr/2
C. πr/12
D. πr/3