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Point on the ground 30 metre away from the foot of a tree the angle of elevation of the top of the tree is 45 degrees then find the height of the tree



We can form a right angle triangle
by keepin 30m as the base length , 45 degrees to be its adjacent angle and the height of the tree to be opposite height (h)
we can calculate h by : 
using  tan(45)=(h/30)                          as tan(45) = 1
           h=30 meters 
1 5 1
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