Construction - Jamb Mathematics Past Questions and Answers

Question 6:

• JAMB 1982

A side of a rhombus is 2cm in length. An angle of the rhombus is 60^o. What is the length of the diagonal facing this angle?

A. 2cm
B. 8cm
C. 4cm
D. 2\(\sqrt{3}\)cm
E. 16cm

Question 7:

• JAMB 1987

The figure is an example of the construction of a

A. Perpendicular bisector of a given straight line QR
B. Perpendicular from a given point to a given line QR
C. Perpendicular to a line from a given point P on that line
D. Given angle

Question 8:

• JAMB 1989

PQRS is a rhombus. If PR\(^2\) + QS\(^2\) = kPQ\(^2\), determine k.

A. 1
B. 2
C. 3
D. 4

Question 9:

• JAMB 1989

If PQR is a straight line with QS = QR, calculate TPQ, If QT\\SR and TQS = 3y^o

A. 62^o
B. 56\(\frac{3}{2}\)^o
C. 20\(\frac{3}{2}\)^o
D. 18^o

Question 10:

• JAMB 1989

If PST is a straight line and PQ = QS = SR in the diagram, find y.

A. 24^o
B. 48^o
C. 72^o
D. 84^o