Circle - Jamb Mathematics Past Questions and Answers

Question 76:

• JAMB 2000

In the diagram above, if ∠ RPS = 50^o, ∠ RPQ = 30^o and PQ = QR, find the value of ∠ PRS.

A. 80^o
B. 70^o
C. 60^o
D. 50^o

Question 77:

• JAMB 2000

In the diagram above, EFGH is a circle center 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. 16 cm
B. 20 cm
C. 26 cm
D. 32 cm

Question 78:

• 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 79:

• 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 80:

• 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