Waec Mathematics Past Questions and Answers

Question 216:

• WAEC 1991

Which of the following about a rhombus may not be true?

A. The diagonals are equal
B. The diagonals bisect the angles through which they pass
C. The diagonals bisect each other
D. The adjacent sides are equal
E. Opposite angles are equal

Question 217:

• WAEC 1991

The angles of a pentagon are x°, 2x°, (x + 60)°, (x + 10)°, (x -10)°. Find the value of x.

A. 40
B. 60
C. 75
D. 80
E. 90

Question 218:

• WAEC 1991

In the diagram above, ∠PTQ = ∠URP = 25° and XPU = 4URP. Calculate ∠USQ.

A. 100^o
B. 120^o
C. 125^o
D. 130^o
E. 150^o

Question 219:

• WAEC 1991

In a given regular polygon, the ratio of the exterior angle to the interior angles is 1:3. How many side has the polygon?

A. 40
B. 5
C. 6
D. 8
E. 12

Question 220:

• WAEC 1991

In the diagram above, O is the center of the circle, |SQ| = |QR| and ∠PQR = 68°. Calculate ∠PRS

A. 34^o
B. 45^o
C. 56^o
D. 62^o
E. 68^o