Two poles are erected on either bank of a river just opposite to each other. One pole is 40m high. From the top and foot of this pole, the angles of elevation of the top of the other pole are 30 degree and 60 degree respectively. Find the height of the other pole and width of the river.
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Let AB be 40m
Let BC be the width of river
Let DC be the height of other pole
in
:)
BC = 40root3/root3
2019:
Could u gimme a clear answer with proper step
I got it from my previous revision test ...
It's ok if u can't .. Tysm fr ur attempt
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