GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

Question 46:

• JAMB 2017

In a regular polygon, each interior angle doubles its corresponding exterior angle. Find the number of sides of the polygon

A. 8
B. 6
C. 4
D. 3

Question 47:

• JAMB 2017

A cylindrical tank has a capacity of 3080m3. What is the depth of the tank if the diameter of its base is 14m? Take pi = 22/7.

A. 23m
B. 25m
C. 20m
D. 22m

Question 48:

• JAMB 2017

Given the quadrilateral RSTO inscribed in the circle with O as centre. Find the size angle x and given RST = 60^o

A. 100^o
B. 140^o
C. 120^o
D. 10^o

Question 49:

• JAMB 2017

The curved surface area of a cylinder 5cm high is 110cm². Find the radius of its = \(\frac{22}{7}\)

A. 2.6cm
B. 3.5cm
C. 3.6cm
D. 7.0cm

Question 50:

• JAMB 2017

Evaluate (\(\sin\)45^o + \(\sin\)30^o ) in surd form

A. \(\frac{\sqrt{3}}{2\sqrt{2}}\)
B. \(\frac{1}{2}\)
C. \(\frac{1}{2}\)√2
D. 1 + \(\frac{\sqrt{2}}{2}\)