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Question 1

John puts the base of a `10` foot ladder `7` feet from the wall of his house. How far up the wall does the ladder reach? Round your answer to two decimal places.
feet

7 feet

10 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)

Enter DNE for Does Not Exist, oo for Infinity

7.14