Mathematics 2015 Waec Past Questions and Answers

Question 16 :

• WAEC 2015

In the diagram, O is the centre. If PQ//Rs and

A. 40^o
B. 50^o
C. 60^o
D. 80^o

Question 17 :

• WAEC 2015

In the diagram, PTR is a tangent to the centre O. If angles TON = 108°, Calculate the size of angle PTN

A. 132^o
B. 126^o
C. 108^o
D. 102^o

Question 18 :

• WAEC 2015

In the diagram, PQ//RT, QR//Su,

A. 134^o
B. 132^o
C. 96^o
D. 48^o

Question 19 :

• WAEC 2015

In the diagram, O is the centre, \(\bar{RT}\) is a diameter, < PQT = 33\(^o\) and <TOS = 76\(^o\). Using the diagram, calculate the value of angle PTR.

A. 73^o
B. 67^o
C. 57^o
D. 37^o

Question 20 :

• WAEC 2015

In the diagram, O is the centre, \(\bar{RT}\) is a diameter, < PQT = 33\(^o\) and < TOS = 76\(^o\). Using the diagram, find the size of angle PRS.

A. 76^o
B. 71^o
C. 38^o
D. 33^o