Angles Of Elevation - Mathematics Jamb Past Questions and Answers

Question 11 :

• JAMB 1999

A man 1.7m tall observes a bird on top of a tree at an angle of 30°. if the distance between the man's head and the bird is 25m, what is the height of the tree?

A. 26.7m
B. 14.2m
C. \(1.7+(25\frac{\sqrt{3}}{3}m\)
D. \(1.7+(25\frac{\sqrt{2}}{2}m\)

Question 12 :

• JAMB 2002

A hunter 1.6 m tall, views a bird on top of a tree at an angle of 45°. if the distance between the hunter and the tree is 10.4 m, find the height of the tree.

A. 9.0 m
B. 12. 0 m
C. 8.8 m
D. 10.4 m

Question 13 :

• JAMB 2004

The shadow of a pole 5√3m high is 5m. Find the angle of elevation of the sun.

A. 45^o
B. 75^o
C. 30^o
D. 60^o

Question 14 :

• JAMB 2007

A man 40 m from the foot of a tower observes the angle of elevation of the tower to be 30^o. Determine the height of the tower.

A. \(\frac{40\sqrt{3}}{3}m\)
B. 20 m
C. 40√3 m
D. 40 m

Question 15 :

• JAMB 2020

A school boy lying on the ground 30m away from the foot of a water tank towel observes that the angle of elevation of the top of the tank is 60\(^o\). Calculate the height of the tank.

A. 60\(\sqrt{3m}\)
B. 30\(\sqrt{3m}\)
C. 20\(\sqrt{3m}\)
D. 10\(\sqrt{3m}\)