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Mathematics
Problem
The top of a tree is observed from a point on level ground at an angle of elevation of 30°. If the tree is 20 m tall, how far (to the nearest metre) is the observer from the foot of the tree? a)
34
m
34\,\text{m}
34
m
b)
17
m
17\,\text{m}
17
m
c)
35
m
35\,\text{m}
35
m
d)
12
m
12\,\text{m}
12
m
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