Waec Mathematics 2001 Past Questions and Answers

Question 36:

• WAEC 2001

Which of the following is not the the size of an exterior angle of a regular polygon?

A. 15^o
B. 18^o
C. 20^o
D. 21^o

Question 37:

• WAEC 2001

In the diagram, PQR is a triangle.|PQ| = |PR|, |PS| = |SQ| and PRS = 50°. What is the size of ∠PSQ?

A. 75^o
B. 80^o
C. 85^o
D. 95^o

Question 38:

• WAEC 2001

PQRS is a rhombus of side 16cm. The diagonal |QS| = 20cm. Calculate, correct to the nearest degree, ∠PQR

A. 51^o
B. 64^o
C. 77^o
D. 103^o

Question 39:

• WAEC 2001

In the diagram, PQ is a diameter of the circle and ∠PRS = 58°. Find ∠STQ.

A. 29^o
B. 32^o
C. 42^o
D. 53^o

Question 40:

• WAEC 2001

A chord of length 30cm is 8cm away from the center of the circle. What is the radius of the circle. What is the perimeter of the sector? Take \(\pi =\frac{22}{7}\)

A. 16cm
B. 17cm
C. 18cm
D. 20cm