Mathematics 1989 WAEC Past Questions

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In the diagram above, O is the center of the circle. If ∠POR = 114^o, calculate ∠PQR

A. 123^o
B. 118.5^o
C. 117^o
D. 114^o
E. 54^o

View Answer & Discuss WAEC 1989

The angle of depression of a point on the ground from the top of a building is 20.3^o. If the foot of the building is 40m, calculate the height of the building, correct to one decimal place

A. 37.5m
B. 28.1m
C. 27.8m
D. 14.8m
E. 13.9m

View Answer & Discuss WAEC 1989

Solve for x: (x\(^2\) + 2x + 1) = 25

A. -6, -4
B. 6, -4
C. 6, 4
D. -6, 4
E. 5, 5

View Answer & Discuss (3) WAEC 1989

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Given that logp = 2 logx + 3logq, which of the following expresses p in terms of x and q?

A. p = 5xq
B. p = 6xq
C. p = x² + q³
D. p = 2x + 3q
E. p = x²q³

View Answer & Discuss (1) WAEC 1989

sinθ = \(\frac{1}{2}\) and cosθ = -\(\frac{\sqrt{3}}{2}\), what is the value of θ?

A. 30 ⁰
B. 60 ⁰
C. 90 ^o
D. 120 ^o
E. 150 ^o

View Answer & Discuss (4) WAEC 1989

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