Zack rested A 15 foot ladder against a building the foot of the latter is 9 feet from the base of the building how many feet up the building does the ladder reach?
1 Answer
Apr 22, 2018
Explanation:
The ladder forms the hypotenuse of a right triangle, the wall one side, and the ground the third side.
One of the standard right-angled triangles has a ratio of
The given triangle is simply a scaled up version of this (with a factor of
That is the triangle has sides
