Waec Mathematics Past Questions and Answers

Question 511:

• WAEC 1997

Which of the following is not necessarily true of a rectangle?

A. The diagonals are equal
B. The diagonals bisect each other
C. The diagonals are perpendicular
D. Each diagonal divides the area of the rectangle equally
E. Each diagonal divides the rectangle into two congruent triangles

Question 512:

• WAEC 1997

A chord is 5cm from the centre of a circle of diameter 26cm. Find the length of the chord

A. 16cm
B. 18cm
C. 24cm
D. 25.51cm
E. 51.1cm

Question 513:

• WAEC 1997

The angle of elevation of a point T on a tower from a point U on the horizontal ground is 30^o. If TU = 54m, how high is T above the horizontal ground?

A. 108m
B. 72m
C. 46.3m
D. 31.2m
E. 27m

Question 514:

• WAEC 1997

Express the true bearing of 250° as a compass bearing

A. N20^oE
B. S20^oE
C. N20^oW
D. S70^oW
E. S70^oE

Question 515:

• WAEC 1997

lf sin θ= \(\frac{-1}{2}\), find all the values of θ between 0° and 360°.

A. 120^o,240^o
B. 120^o180^o
C. 210^o,300^o
D. 210^o,330^o
E. 300^o,360^o