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Mathematics
Mathematics
Problem
An observer standing on level ground is 50 m from the foot of a vertical flag-staff. The angle of elevation of the top of the flag-staff is 30°. Find the height of the flag-staff. a)
25
m
25\;\text{m}
25
m
b)
50
3
m
\dfrac{50}{\sqrt{3}}\;\text{m}
3
50
m
c)
50
3
m
50\sqrt{3}\;\text{m}
50
3
m
d)
25
3
m
25\sqrt{3}\;\text{m}
25
3
m
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