A 30 Foot Ladder Leans Against A Wall

A ladder leans against a wall at a point $8$ feet above the ground.

A 30 Foot Ladder Leans Against A Wall. A 17 foot ladder is leaning against a wall. The foot of the ladder makes an angle of 60° with the ground.

Example 11 - A ladder is placed against a wall such that
Example 11 - A ladder is placed against a wall such that from d1avenlh0i1xmr.cloudfront.net
Right triangle of which length of ladder #h=20# is regarded as. Here, ac is the ladder. Can a 6 foot tall man walk under the ladder 1 foot from the wall?

So what can be not be five, 25 or 35 feet?

Now we have lengths a and b, where a is the distance of the letter from the wall, and b is the height of the ladder above the ground. A ladder leans against a wall at a point $8$ feet above the ground. So to just subtract it from each other is completely absurd. Question from class 12 chapter derivatives as a rate measurer.