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OpenStudy (anonymous):
A ladder leaning against a wall makes a 60o angle with the ground. The base of the ladder is 4 m from the building. How high above the ground is the top of the ladder?
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OpenStudy (anonymous):
@kittyT that is from yahoo answers....
OpenStudy (haseeb96):
angle = 60 degrees base = 4m here we will suppose hypotenuse is the height of ladder from ground that is hypotenuse = x
OpenStudy (haseeb96):
the formula comes in our mind it is cos
OpenStudy (haseeb96):
|dw:1416815678684:dw|
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