98
The ladder is 7 foot up the wall if the ladder if the ladder is 3 ft away from wall.
16
It should be placed 2 ft from the wall
21
15 meters, or less, depending on the angle.
21
assuming the wall and ground make a 90 degree angle with one another, Pythagorean's Theorem states the ladder will go 8 feet up the wall.
1 i think other people feel free to change this
Use the cosine ratio: 5.437846722 meters
6.7
c2=a2+b2102=62+b2100=36 + b2b2=64b=8
3 FEET