Asked by Ayush Gupta

A ladder, leaning against a wall, makes an angel 60¡ã with the horizontal. If the foot of the ladderis 2.5 m away from the wall, find the length of the ladder
Answered by alaka
cn u help me
Answered by Steve
draw a diagram.
review your basic trig functions.

Now it is clear that

2.5/x = cos60°

now just solve for x, the length of the ladder.
Answered by Abhipsha
Draw a diagram first
Then let the base be 2.5m i.e AB=2.5
Cos 60° =b/h = AB/AC
or,1/2=2.5/AC
2=AC/2.5
or, AC =5m
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