Question
The length of the ladder making an angle of with the ground and whose foot is m away from the wall is
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Text solutionVerified
Given,
Let be
m
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A bird was flying in a line parallel to the ground at a height of 2000 metres. Tom, standing in the middle of the field, he observed the bird making an angle of elevation . After 3 minutes, he again observed it with an angle of elevation of , the speed of the bird in kilometers per hour is:Question 2
From the top of a light house meter high, with its base at the sea level, the angle of depression of a boat is . The distance of the boat from the foot of the light-house is Question 3
A man observes a tower AB of height h from a point P on the ground. He moves a distance d towards the foot of the tower and finds that the angle of elevation is doubled. He further moves a distance 3d/4 in the same direction and finds that the angle of elevation is three times that of P.Prove that .
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Question Text | The length of the ladder making an angle of with the ground and whose foot is m away from the wall is |
Answer Type | Text solution:1 |
Upvotes | 150 |