Euclidean Geometry - Jamb Mathematics Past Questions and Answers

Question 91:

• JAMB 1987

Three angles of a nonagon are equal and the sum of six other angles is 1110o. Calculate the size of one of the equal angles

A. 210^o
B. 150^o
C. 105^o
D. 50^o

Question 92:

• JAMB 1987

The sine, cosine and tangent of 210o are respectively

A. \(\frac{1}{2}\), \(\frac{\sqrt{3}}{2}\), \(\frac{\sqrt{3}}{2}\)
B. \(\frac{1}{2}\), \(\frac{\sqrt{3}}{2}\), \(\frac{\sqrt{3}}{3}\)
C. \(\frac{1}{2}\), \(\frac{\sqrt{3}}{2}\), \(\frac{\sqrt{3}}{2}\)
D. \(\frac{-1}{2}\), \(\frac{\sqrt{-3}}{2}\), \(\frac{\sqrt{3}}{3}\)

Question 93:

• JAMB 1987

In the diagram, POQ is a diameter, 0 is the centre of the circle and TP is a tangent. Find the value of x

A. 30^o
B. 40^o
C. 45^o
D. 50^o

Question 94:

• JAMB 1987

In the diagram, POQ is a diameter, 0 is the centre of the circle and TP is a tangent. Find the value of x

A. 30^o
B. 40^o
C. 45^o
D. 50^o

Question 95:

• JAMB 1987

In the diagram, POQ is a diameter, 0 is the centre of the circle and TP is a tangent. Find the value of x

A. 30^o
B. 40^o
C. 45^o
D. 50^o