A ladder leaning against a wall makes an angle of 60 degree with the horizontal If the foot of the ladder is 2.5 m away from the wall , find the length of the ladder.
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5m is the lenght of the ladder
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Make equals cos 60 to 2.5/height of ladder. Cos 60 =1/2. Now solve the equation you will get the lengrh of ladder 5 meters
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