A10-foot ladder leans against a wall. it hits the wall 9 feet up. how far is the base of the ladder from the wall? apply the pythagorean theorem to this problem

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

What does x = in this equation x+3+2x=x+5

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)