Question 448736
How high up on a building will a 15 ft. ladder reach if the foot of the ladder is placed 5 ft. from the building.
------------------------
Draw the picture.
You have a right triangle with hypotenuse = 15,
base = 5.
----
Height = sqrt[15^2-5^2] = sqrt[200] = 10sqrt(2) ft.
=======================
Cheers,
Stan H.
============