Circle - Jamb Mathematics Past Questions and Answers

Question 96:

• JAMB 2015

The area of an ellipse is 132cm².The length of its major axis is 14cm.Find the length of it minor axis

A. 10.5cm
B. 5cm
C. 10cm
D. 12cm

Question 97:

• JAMB 2016

From the diagram above. Find the fraction of the shaded position?

A. \(\frac{1}{3}\)
B. \(\frac{1}{5}\)
C. \(\frac{1}{4}\)
D. \(\frac{1}{6}\)

Question 98:

• JAMB 2020

The chord ST of a circle is equal to the radius r of the circle. Find the length of arc ST

A. \(\frac{\pi r}{3}\)
B. \(\frac{\pi r}{2}\)
C. \(\frac{\pi r}{12}\)
D. \(\frac{\pi r}{6}\)

Question 99:

• JAMB 2021

P (-6, 1) and Q (6, 6) are the two ends of the diameter of a given circle. Calculate the radius.

A. 6.5 units
B. 13.0 units
C. 3.5 units
D. 7.0 units

Question 100:

• JAMB 2021

The angle of a sector of a circle, radius 10.5cm, is 48°, Calculate the perimeter of the sector

A. 8.8cm
B. 25.4cm
C. 25.6cm
D. 29.8cm