Euclidean Geometry - Jamb Mathematics Past Questions and Answers

Question 156:

• JAMB 2000

An equilateral triangle of side √3cm is inscribed in a circle. Find the radius of the circle.

A. 2/3 cm
B. 2 cm
C. 1 cm
D. 3 cm

Question 157:

• JAMB 2000

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 158:

• JAMB 2000

A predator moves in a circle of radius √2 centre (0,0), while a prey moves along the line y = x. If 0 \(\leq\) x \(\leq\) 2, at which point(s) will they meet?

A. (1,1) only
B. (1,1) and (1,2)
C. (0,0) and (1,1)
D. (√2,√2) only

Question 159:

• JAMB 2000

In the diagram above, if ∠ RPS = 50^o, ∠ RPQ = 30^o and PQ = QR, find the value of ∠ PRS.

A. 80^o
B. 70^o
C. 60^o
D. 50^o

Question 160:

• JAMB 2000

In the diagram above, EFGH is a circle center O. Fh is a diameter and GE is a chord which meets FH at right angle at the point N. If NH = 8cm and EG = 24cm, calculate FH.

A. 16 cm
B. 20 cm
C. 26 cm
D. 32 cm