a ledar 15 mtr long just reaches the top of a vertical wall.if the ladder maks an angle60 degree with the wall,find the height of the wall
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Let height be as 'h'
Cos 60= 1/2
So,
1/2=15/h
H=30m
So the height of the wall =30m
Cos 60= 1/2
So,
1/2=15/h
H=30m
So the height of the wall =30m
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