Euclidean Geometry - Jamb Mathematics Past Questions and Answers

Question 111:

• 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

Question 112:

• JAMB 1991

In the figure above, Find the value of x

A. 130^o
B. 110^o
C. 100^o
D. 90^o

Question 113:

• JAMB 1991

PMN and PQR are two secants of the circle MQTRN and PT is a tangent. If PM = 5cm, PN = 12cm and PQ = 4.8cm, calculate the respective lengths of PR and PT in centimeters

A. 7.3, 5.9
B. 7.7, 12.5
C. 12.5, 7.7
D. 5.9, 7.3

Question 114:

• JAMB 1991

PMN and PQR are two secants of the circle MQTRN and PT is a tangent. If PNR = 110^o and PMQ = 55^o, find MPQ

A. 40^o
B. 30^o
C. 25^o
D. 15^o

Question 115:

• JAMB 1991

In the figure above, find the value of y

A. 28^o
B. 122^o
C. 150^o
D. 152^o