Perimeters and areas of sectors - Jamb Mathematics Past Questions and Answers

Question 6:

• 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

Question 7:

• JAMB 2021

Find the length of a side of a rhombus whose diagonals are 6cm and 8cm

A. 8cm
B. 5cm
C. 4cm
D. 3cm

Question 8:

• JAMB 2021

A trapezium has two parallel sides of length 5cm and 9cm. If the area is 91cm\(^2\), find the distance between the parallel sides

A. 13 cm
B. 4 cm
C. 6 cm
D. 7 cm