Answer: Option D
Explanation:
Let AB be the tower and CD be the observer
tan30° = AE/CE
1/3= (AB – CD) / x = (50 – 1.5) / x = 48.5/x
x = 84 m
Answer: Option C
Let AB be the man and BC be his shadow
AB = 180
tan60° = AB/BC
3 = 180/BC
BC = 103.92 cm