GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

Question 611:

• JAMB 2012

A circular arc subtends angle 150° at the centre of a circle of radius 12cm. Calculate the area of the sector of the arc.

A. 30\(\pi\) cm\(^2\)
B. 60\(\pi\) cm\(^2\)
C. 120\(\pi\) cm\(^2\)
D. 150\(\pi\) cm\(^2\)

Question 612:

• JAMB 2012

A man stands on a tree 150 cm high and sees a boat at an angle of depression of 74°. Find the distance of the boat from the base of the tree.

A. 52 cm
B. 43 cm
C. 40 cm
D. 15 cm

Question 613:

• JAMB 2013

In the diagram given, find the value of x.

A. 30^o
B. 40^o
C. 45^o
D. 15^o

Question 614:

• JAMB 2013

The value x in the figure given is

A. 110^o
B. 100^o
C. 70^o
D. 130^o

Question 615:

• JAMB 2013

If the angles of a quadrilateral are (3y + 10)°, (2y + 30)°, (y + 20)° and 4y°. Find the value of y.

A. 66°
B. 12°
C. 30°
D. 42°