GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

Question 661:

• JAMB 2020

A room is 12m long, 9m wide and 8m high. Find the cosine of the angle which a diagonal of the room makes with the floor of the room

A. \(\frac{15}{17}\)
B. \(\frac{8}{17}\)
C. \(\frac{8}{15}\)
D. \(\frac{12}{17}\)

Question 662:

• JAMB 2020

The angle of a sector of a circle radius 10.5 cm is 48\(^o\). Calculate the perimeter of the sector.

A. 25.4cm
B. 25.4cm
C. 25.6cm
D. 29.8cm

Question 663:

• JAMB 2020

In this fiqure, PQ = PR = PS and SRT = 68\(^o\). Find QPS

A. 136\(^o\)
B. 124\(^o\)
C. 112\(^o\)
D. 68\(^o\)

Question 664:

• JAMB 2020

Find the gradient of the line passing through the points (-2, 0) and (0, 4)

A. 2
B. -4
C. -2
D. 4

Question 665:

• JAMB 2020

Find the equation of the line through the points (5, 7) parallel to the line 7x + 5y = 12.

A. 5x + 7y = 120
B. 7x + 5y = 70
C. X + y = 7
D. 15x + 17y = 90