Mathematics
If CD = 10 m, the length of AB is :
m
m
100 m
30 m

Heights & Distances
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Answer
We know that,
tan θ =
From figure,
In △ BCD,
⇒ tan 30° =
⇒
⇒ BD = m.
In △ ACD,
⇒ tan 60° =
⇒
⇒ AD = cm.
From figure,
AB = AD + BD =
m.
Hence, Option 1 is the correct option.
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If tan x° = , the length of CB is :
0.4 m
40 m
50 m
80 m
The length of AC is :
m
m
m
m