SOLUTION: A ladder 3 metres long leans against a wall . It reaches 2 metres up the wall. What angle does the ladder make with the ground?
can you please help me? thanks in advance
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Question 691247: A ladder 3 metres long leans against a wall . It reaches 2 metres up the wall. What angle does the ladder make with the ground?
can you please help me? thanks in advance
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A ladder 3 metres long leans against a wall . It reaches 2 metres up the wall. What angle does the ladder make with the ground?
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Draw the picture.
You have a right triangle:
hypotenuse = 3 meters
height = 2 meters
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Let the angle opposite the height be "x":
Equation:
sin(x) = 2/3
x = sin^-1(2/3) = 0.7297 radians or 41.81 degrees
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Cheers,
Stan H.
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