Jamb Mathematics 2009 Past Questions and Answers

Question 26:

• JAMB 2009

If the hypotenuse of a right angle-triangle isosceles triangle is 2cm. What is the area of the triangle?

A. ¹/_√2 cm²
B. 1 cm²
C. √2 cm²
D. 2√2 cm²

Question 27:

• JAMB 2009

A chord drawn 5 cm away from the center of a circle of radius 13 cm. Calculate the length of the chord

A. 7cm
B. 9cm
C. 12cm
D. 24cm

Question 28:

• JAMB 2009

Find the radius of a sphere whose surface area is 154 cm²

A. 7.00 cm
B. 3.50 cm
C. 3.00 cm
D. 1.75 cm

Question 29:

• JAMB 2009

Find the locus of a particle which moves in the first quadrant so that it is equidistant from the lines x = 0 and y = 0 (where k is a constant)

A. X + y = 0
B. X - y = 0
C. X + y + k = 0
D. X - y - k = 0

Question 30:

• JAMB 2009

What is the locus or the mid-point of all the chords of length 6cm with circle of radius 5cm and with center 0?

A. A circle of radius 4 cm and the center 0
B. The perpendicular bisector of the chords
C. A straight line passing through 0
D. A circle of radius 6 cm and with center 0