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Mathematics Past Questions and Answers

Waec Mathematics Questions

Question 566:

In ∆PQR. ∠PQR is a right angle. |QR| = 2cm and ∠PRQ = 60^o. Find |PR|

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A 4√3cm
B 4cm
C 2√3cm
D \(\frac{4}{3}cm\)
E 1cm

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Question 567:

In the diagram, PQ||SR. Find the value of Z

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A 30^o
B 40^o
C 45^o
D 90^o
E 120^o

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Question 568:

In \(sin(X+30)^o=cos40^o\),find X

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A 10^o
B 20^o
C 50^o
D 60^o
E 90^o

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Question 569:

Find the value of X if \(cos x = \frac{5}{8}\) for \(0^o\le X\le 180^o\)

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A 141.3^o
B 128.7^o
C 51.3^o
D 48.7^o
E 38.7^o

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Question 570:

A ladder 5cm long long rest against a wall such that its foot makes an angle 30^o with the horizontal. How far is the foot of the ladder from the wall?

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A \(\frac{5\sqrt{2}}{3}m\)
B \(2\frac{1}{2}m\)
C \(\frac{5\sqrt{3}}{2}m\)
D \(\frac{10\sqrt{3}}{3}m\)
E \(10\sqrt{3}m\)

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