GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

Question 466:

• JAMB 2001

A straight line makes an angle of 30° with the positive x-axis and cuts the y-axis at y = 5. Find the equation of the straight line.

A. Y = (x/10) + 5
B. Y = x + 5
C. √3y = - x + 5√3
D. √3y = x + 5√3

Question 467:

• JAMB 2001

Given an isosceles triangle with length of 2 equal sides t units and opposite side √3t units with angle θ. Find the value of the angle θ opposite to the √3t units.

A. 100°
B. 120°
C. 30°
D. 60°

Question 468:

• JAMB 2001

Find the value of P if the line joining (P, 4) and (6, -2) is perpendicular to the line joining (2, P) and (-1, 3).

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

Question 469:

• JAMB 2001

Find the number of sides of a regular polygon whose interior angle is twice the exterior angle.

A. 6
B. 2
C. 3
D. 8

Question 470:

• JAMB 2001

P(-6, 1) and Q(6, 6) are the two ends of the diameter of a given circle. Calculate the radius.

A. 6.5 units
B. 13.0 units
C. 3.5 units
D. 7.0 units