Waec Mathematics Past Questions and Answers

Question 816:

• WAEC 2002

In the diagram O and O' are the centres of the circles radii 15cm and 8cm respectively. If PQ = 12cm, find |OO'|.

A. 8.46cm
B. 19.04cm
C. 20.81cm
D. 26.16cm

Question 817:

• WAEC 2002

In the diagram O is the centre of the circle. Which of the following is/are not true? I. a = b II. b + c = 180^o III. a + b = c

A. I and II only
B. II and III only
C. II only
D. III only

Question 818:

• WAEC 2002

Simplify \(\frac{2^{\frac{1}{2}}\times 8^{\frac{1}{2}}}{4}\)

A. 1
B. 2
C. 4
D. 16

Question 819:

• WAEC 2002

In the diagram, |SR| = |RQ| and ∠PRQ = 58^o ∠VQT = 19^o, PQT, SQV and PSR are straight lines. Find ∠QPS

A. 42^o
B. 39^o
C. 38^o
D. 30^o

Question 820:

• WAEC 2002

The angle of depression of a point Q from a vertical tower PR, 30m high, is 40°. If the foot P of the tower is on the same horizontal level as Q, find, correct to 2 decimal places, |PQ|.

A. 35.75m
B. 25.00m
C. 22.98m
D. 19.28