GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

Question 56:

• JAMB 2018

In the figure below, /MX/ = 8cm, /XN/ = 12cm, /NZ/ = 4cm and ∠ XMN = ∠ XZY. Calculate /YM/



A. 32cm
B. 24 cm
C. 16 cm
D. 12 cm

Question 57:

• JAMB 2018

Tanθ is positive and Sinθ is negative. In which quadrant does θ lies

A. Second only
B. Third only
C. Fourth only
D. First and third only

Question 58:

• JAMB 2018

Given that Sin (5\(_x\) − 28)\(^o\) = Cos(3\(_x\) − 50)\(^o\), O\(_x\) < 90\(^o\)
Find the value of x

A. 14\(^o\)
B. 21\(^o\)
C. 32\(^o\)
D. 39\(^o\)

Question 59:

• JAMB 2017

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

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

Question 60:

• JAMB 2017

Evaluate (\(\sin\)45^o + \(\sin\)3^o ) in surd form

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