Question

1.) The bottom of a ladder must be placed ó feet from a wall. The ladder is 10 fee long. How far above the ground does the ladder touch the wall?

Answer 1

Answer:

$by \: pythagoras \: theorem \\ distance = \sqrt{ {(10)}^{2} - (6 {)}^{2} } \\ = \sqrt{100 - 36} \\ = \sqrt{64} = 8feet$