2010 · Q48
The shadow of a tower is 15 m when the Sun’s altitude is 30°. What is the length of the shadow when the Sun’s altitude is 60° ?
Elementary MathematicsTrigonometry
- A3 m
- B4 m
- C5 m
- D6 m
Explanation
h=15/√3; new shadow = h/√3 = 5 m.
The shadow of a tower is 15 m when the Sun’s altitude is 30°. What is the length of the shadow when the Sun’s altitude is 60° ?
Explanation
h=15/√3; new shadow = h/√3 = 5 m.