Mathematics Past Questions

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1006

In the diagram, O is the center of the circle and the reflex angle ROS is 264^o. Find ∠RTS

A. 48^o
B. 53^o
C. 66^o
D. 132^o
E. 192^o

View Answer & Discuss (2) WAEC 1998

1007

If the exterior angles of quadrilateral are y^o, (y + 5)^o, (y + 10)^o and (y + 25)^o, find y

A. 10^o
B. 20^o
C. 40^o
D. 60^o
E. 80^o

View Answer & Discuss (2) WAEC 1998

1008

In the diagram PQ is a diameter of circle PMQN center O, if ∠PQM = 63o, find ∠MNQ

A. 58.5^o
B. 44^o
C. 35^o
D. 31.5^o
E. 27^o

View Answer & Discuss (4) WAEC 1998

1009

In the diagram O is the center of circle PRQ. The radius is 3.5cm and ∠POQ = 50^o. Use the diagram to answer question below. (take π = 3.142)
Calculate correct to one decimal place, the length of arc PQ.

A. 175.0cm
B. 157.1cm
C. 37.7cm
D. 11.0cm
E. 3.1cm

View Answer & Discuss (2) WAEC 1998

1010

In the diagram O is the center of circle PRQ. The radius is 3.5cm and ∠POQ = 50o. Use the diagram to answer question below. (take π = 3.142)
Calculate, correct to three significant figures, the area of sector OPQ

A. 3.403cm²
B. 5.350cm²
C. 10.99cm²
D. 157.1cm²
E. 175.0cm²

View Answer & Discuss (5) WAEC 1998

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