Free account: track your progress — Sign up free

JAMB Mathematics 2025 Objective — Question 3

Question 3 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2025 Objective paper, with the correct answer and a full explanation.

From the top of a building, the angle of depression to a point on the ground is 30°. If the building is 20m high, how far is the point from the base of the building?

Diagram for question 3

A. 20m
B. 20√3mCorrect
C. 20√2m
D. 25m

Explanation

tan30° = 20/d ⇒ d = 20/tan30° = 20 × √3 = 20√3 m.

Sign up free to unlock

Score tracking
Practice history
Saved questions
Progress dashboard
Personalized sessions
Weak-topic breakdown

…and/or go further with premium services and No Ads.

Create free account

More questions from Mathematics 2025 Objective More Mathematics past papers