Try another version of this question John puts the base of a `9` foot ladder `4` feet from the wall of his house. How far up the wall does the ladder reach? Round your answer to two decimal places.
feet
Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4) Question 1
4 feet9 feet
Enter DNE for Does Not Exist, oo for Infinity 8.06