Waec Mathematics Past Questions and Answers

Question 151:

• WAEC 1990

Which of the sketches above gives a correct method for constructed an angle of 120^o at the point P?

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

Question 152:

• WAEC 1990

Use mathematical table to evaluate (cos40° - sin30°)

A. -0.2660
B. -0.0266
C. 0.0266
D. 0.2660
E. 1.5320

Question 153:

• WAEC 1990

Use mathematical table to evaluate (cos40° - sin30°)

A. -0.2660
B. -0.0266
C. 0.0266
D. 0.2660
E. 1.5320

Question 154:

• WAEC 1990

If the shadow of a pole 7m high is 1/2 its length what is the angle of elevation of the sun, correct to the nearest degree?

A. 90^o
B. 63^o
C. 60^o
D. 26^o
E. 0^o

Question 155:

• WAEC 1990

From the top of a building 10m high, the angle of depression of a stone lying on the horizontal ground is 69^o. Calculate ,correct to one decimal place, the distance of the stone from the foot of the building

A. 3.6m
B. 3.8m
C. 6.0m
D. 9.3m
E. 26.1m