Construction - Jamb Mathematics Past Questions and Answers

Question 16:

• JAMB 1992

In the figure, TSP = 100° and PRQ = 20°. Find PQR.

A. 140^o
B. 120^o
C. 75^o
D. 30^o

Question 17:

• JAMB 1995

In a triangle XYZ, < YXZ = 44° and < XYZ = 112°. Calculate the acute angle between the internal bisectors of < XYZ and < XZY.

A. 12^o
B. 56^o
C. 68^o
D. 78^o

Question 18:

• JAMB 1995

For what value of x is the tangent to the curve y = x\(^2\) - 4x + 3 parallel to the x-axis?

A. 3
B. 2
C. 1
D. 6

Question 19:

• JAMB 1997

In a triangle XYZ, if < ZYZ is 60, XY = 3cm and YZ = 4cm, calculate the length of the sides XZ.

A. √23cm
B. √13cm
C. 2√5cm
D. 2√3cm

Question 20:

• JAMB 1999

In ∠†MNO, MN = 6 units, MO = 4 units and NO = 12 units. If the bisector of and M meets NO at P, calculate NP.

A. 4.8 units
B. 7.2 units
C. 8.0 units
D. 18.0 units