GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

Question 681:

• JAMB 2021

Each of the interior angles of a regular polygon is 140°. How many sides has the polygon?

A. 9
B. 8
C. 7
D. 5

Question 682:

• JAMB 2021

A cylinder pipe, made of metal is 3cm thick.If the internal radius of the pipe is 10cm.Find the volume of metal used in making 3m of the pipe.

A. 153\(\pi\)cm³
B. 207\(\pi\)cm³
C. 15 300\(\pi\)cm³
D. 20 700\(\pi\)cm³

Question 683:

• JAMB 2021

find the value of p if the line which passes through (-1, -p) and (-2,2) is parallel to the line 2y+8x-17=0?

A. \(\frac{-2}{7}\)
B. \(\frac{7}{6}\)
C. \(\frac{-6}{7}\)
D. 2

Question 684:

• JAMB 2021

What is the rate of change of the volume V of a hemisphere with respect to its radius r when r = 2?

A. 8π
B. 16π
C. 2π
D. 4π

Question 685:

• 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