Waec Mathematics 2017 Past Questions and Answers

Question 46:

• WAEC 2017

A stationary boat is observed from a height of 100m. If the horizontal distance between the observer and the boat is 80m, calculate, correct to two decimal places, the angles of depression of the boat from point of observation

A. 36.87\(^o\)
B. 39.70\(^o\)
C. 51.34\(^o\)
D. 53.13\(^o\)

Question 47:

• WAEC 2017

The diagonal of a square is 60 cm. Calculate its peremeter

A. 20\(\sqrt{2}\)
B. 40\(\sqrt{2}\)
C. 90\(\sqrt{2}\)
D. 120\(\sqrt{2}\)

Question 48:

• WAEC 2017

Find the value of m in the diagram

A. 72\(^o\)
B. 68\(^o\)
C. 44\(^o\)
D. 34\(^o\)

Question 49:

• WAEC 2017

The graph of y = \(ax^2 + bx + c\) is shown oon the diagram. Find the minimum value of y

A. -2, 0
B. -2, 1
C. -2, 3
D. -2, 5

Question 50:

• WAEC 2017

In the diagram, PR is a diameter of the circle RSP, RP is produced to T and TS is a tangent to the circle at S. If < PRS = 24\(^o\), calculate the value of < STR

A. 24\(^o\)
B. 42\(^o\)
C. 48\(^o\)
D. 66\(^o\)