A 10-ft ladder leans against the side of a house. The bottom of the latter is 5 ft from the side of the house. How high is the top of the ladder from the ground. If necessary, round your answer to the nearest tenth.
+37157 Right triangle Pythag theorem
hypotenuse = 10
leg = 5 other leg = H
10 ^2 = 5^2 + H^2
75 = H^2 H = sqrt (75) = 5 sqrt 3
