Euclidean Geometry - Mathematics Jamb Past Questions and Answers

Question 36 :

• JAMB 1979

If the value of \(\pi\) is taken to be \(\frac{22}{7}\), the area of a semi-circle of diameter 42m is

A. 5544m²
B. 1386m²
C. 132m²
D. 264m²
E. 693m²

Question 37 :

• JAMB 1979

In \(\bigtriangleup\)PQR, PQ = 10cm, QR = 8cm and RP = 6cm, the perpendicular RS is drawn from R to PQ. Find the length of RS

A. 4cm
B. 32cm
C. \(\frac{30}{7}\)
D. \(\frac{40}{7}\)
E. 4.8cm

Question 38 :

• JAMB 1979

PQRS is a cyclic quadrilateral with PQ as diameter of the circle. If < PQS = 15^o find < QRS

A. 75^o
B. 37\(\frac{1}{2}\)^o
C. 127\(\frac{1}{2}\)^o
D. 105^o

Question 39 :

• JAMB 1979

In the figure, \(\bigtriangleup\) ABC are in adjacent planes. AB = AC = 5cm, BC = 6cm and o then AE is equal to

A. 3\(\sqrt{2}\)
B. 2\(\sqrt{3}\)
C. \(\frac{\sqrt{3}}{2}\)
D. \(\frac{2}{\sqrt{3}}\)

Question 40 :

• JAMB 1979

In this figure, PQRS is a parallelogram, PS = PT and < PST = 55\(^o\). The size of <PQR is

A. 125^o
B. 120^o
C. 115^o
D. 110^o
E. 10^o