Mathematics 1998 WAEC Past Questions

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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

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 WAEC 1998

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 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 (3) WAEC 1998

Calculate the perimeter of the trapezium PQRS

A. 24cm
B. 36cm
C. 48cm
D. 72cm
E. 520cm

View Answer & Discuss (3) WAEC 1998

The length of an arc of a circle of radius 5cm is 4cm. Find the area of the sector

A. \(1\frac{3}{5}cm^2\)
B. 2cm²
C. 8cm²
D. 10cm²
E. 20cm²

View Answer & Discuss (2) WAEC 1998

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