The top of the ladder touches the wall 12 feet (ft) above the ground.
A 13 Foot Ladder Is Leaning Against A Brick Wall. The foot of the ladder is pulled along the ground away from the wall, at the rate of 1.5 m/s. Transcribed image text from this question.
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This textbook survival guide was created for the textbook: 13 ft is broken down into a number of easy to follow steps, and 60 words. If the man is 6 feet tall and walks away from the lamppost at a speed of 100 feet per minute, at what rate, in feet per minute, will the length of his shadow be changing?
The base of the ladder is 3 feet from the wall.
The ladder forms a right angle triangle with the ground. The top of the ladder touches the wall 12 feet (ft) above the ground. As he looks back, he notices that the angle of depression for the 8 foot ladder foot is 57 degrees. The length of the ladder, 13 feet, is a constant, since it would never change through out.
