Waec Mathematics 2011 Past Questions and Answers

Question 36:

• WAEC 2011

a boy looks through a window of a building and sees a mango fruit on the ground 50m away from the foot of the building. If the window is 9m from the ground, calculate, correct to the nearest degree, the angle of depression of the mango from the window

A. 9^o
B. 10^o
C. 11^o
D. 12^o

Question 37:

• WAEC 2011

The diagram shows a cyclic quadrilateral PQRS with its diagonals intersecting at K. Which of the following triangles is similar to triangle QKR?

A. \(\bigtriangleup\) PQK
B. \(\bigtriangleup\) PKS
C. \(\bigtriangleup\) SKR
D. \(\bigtriangleup\) PSR

Question 38:

• WAEC 2011

In the diagram, PO and OR are radii, |PQ| = |QR| and reflex < PQR is 240^o. Calculate the value x

A. 60^o
B. 55^o
C. 50^o
D. 45^o

Question 39:

• WAEC 2011

Find the size of the angle marked x in the diagram.

A. 108^o
B. 112^o
C. 128^o
D. 142^o

Question 40:

• WAEC 2011

The histogram shows the age distribution of members of a club. How many members are in the club?

A. 52
B. 50
C. 48
D. 40