Waec Further Mathematics 2012 Past Questions and Answers

Question 36:

• WAEC 2012

The angle of a sector of a circle is 0.9 radians. If the radius of the circle is 4cm, find the length of the arc of the sector.

A. 3.6 cm
B. 7.6 cm
C. 8.0 cm
D. 11.6 cm

Question 37:

• WAEC 2012

From the diagram above, which of the following represents the vector V in component form?

A. \(-5\sqrt{3} i + 5j\)
B. \(3i + 3\sqrt{3}j\)
C. \(i + 2\sqrt{3}j\)
D. \(-2\sqrt{3}i - j\)

Question 38:

• WAEC 2012

From the diagram above, \(h[g(3)]\) is

A. S
B. \(\beta\)
C. \({s, \beta}\)
D. \({s, w, \beta}\)

Question 39:

• WAEC 2012

\(g \circ h\) is

A. One- to- one
B. Onto
C. A relation
D. A series

Question 40:

• WAEC 2012

The diagram above is a velocity- time graph of a moving object. Calculate the distance travelled when the acceleration is zero.

A. 300 m
B. 90 m
C. 150 m
D. 210 m