Circle - Jamb Mathematics Past Questions and Answers

Question 11:

• JAMB 2016

Calculate the perimeter of a sector of a circle of raduis 12cm and angle 60o.

A. (12 + 4\(\pi\))cm
B. (24 + 4\(\pi\))cm
C. (12 + 6\(\pi\))cm
D. (24 + 6\(\pi\))cm

Question 12:

• JAMB 2014

In the figure above, KL//NM, LN bisects < KNM. If angles KLN is 54^o and angle MKN is 35^o, calculate the size of angle KMN.

A. 91^o
B. 89^o
C. 37^o
D. 19^o

Question 13:

• JAMB 2014

From the figure above, what is the value of p?

A. 135^o
B. 90^o
C. 60^o
D. 45^o

Question 14:

• JAMB 2014

Find the value of x in the figure above

A. 20\(\sqrt{3}\)cm
B. 10\(\sqrt{3}\)cm
C. 5\(\sqrt{3}\)cm
D. 4\(\sqrt{3}\)cm

Question 15:

• JAMB 2013

Find the length of a chord which subtends an angle of 90° at the centre of a circle whose radius is 8 cm.

A. \(8\sqrt{3}\) cm
B. 4 cm
C. 8 cm
D. \(8\sqrt{2}\) cm