Mathematics 1992 Waec Past Questions and Answers

Question 26 :

• WAEC 1992

The angles marked in the diagram above are measured in degrees. Find x

A. 15^o
B. 24^o
C. 30^o
D. 36^o
E. 48^o

Question 27 :

• WAEC 1992

Find the value of t in the diagram above

A. 5.6cm
B. 6.5cm
C. 6.6cm
D. 6.8cm
E. 7.0cm

Question 28 :

• WAEC 1992

A regular polygon has each of its exterior angles as 18^o. How many sides has the polygon

A. 10
B. 11
C. 12
D. 20
E. 24

Question 29 :

• WAEC 1992

In the diagram above, PQT is an isosceles triangle.|PQ| = |QT|, ∠SRQ = 75°, ∠QPT = 25° and PQR is straight line. Find ∠RST

A. 20^o
B. 50^o
C. 55^o
D. 70^o
E. 75^o

Question 30 :

• WAEC 1992

Sin 60° has the same value as I. Sin 120° II. cos 240° III. -sin 150° IV. cos 210° V. sin 240°

A. I only
B. II only
C. IV only
D. III only
E. IV and V only