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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Answer:
distance b/w the ladder and the wall is 2.5m
∅ = 60°
length of the ladder =
cos 60° = adjacent side /hypotenuse side
1/2 =2.5 /x
x =2.5×2
x = 5 cm
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5 m
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