GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

Question 211:

• JAMB 1983

PQRS is a desk of dimensions 2m x 0.8 which is inclined at 30^o to the horizontal. Find the inclination of the diagonal PR to the horizontal

A. 30^o 35'
B. 30^o 32'
C. 15^o 36'
D. 10^o
E. 10^o 42'

Question 212:

• JAMB 1983

If O is the centre of the circle in the figure, find the value of x

A. 50
B. 260
C. 100
D. 65
E. 130

Question 213:

• JAMB 1983

PQRS isa cyclic quadrilateral which PQ = PS. PT is a tangent to the circle and PQ makes an angle of 50^o with the tangent as shown in the figure. What is the size of QRS?

A. 50^o
B. 40^o
C. 110v
D. 80^o
E. 100^o

Question 214:

• JAMB 1983

In the figure, PQR is a straight line. Find the values of x and y

A. X = 22.5^o, y = 33.75^o
B. X = 15^o, y = 52.5^o
C. X = 22.5^o, y = 45.0^o
D. X = 56.25^o, y = 11.5^o

Question 215:

• JAMB 1983

In the diagram, if PS = SR and PQ||SQ, what is the size of PQR?

A. 25^o
B. 50^o
C. 55^o
D. 65^o
E. 75^o