Answer:
Explanation:
the Pythagorean Theorem.
A^2 + B^2 = C^2
In this case, A = 13 and B = 5. C = length of ladder.
13^2 + 5 ^2 = c^2
169 + 25 = 194
194 = c^2
square root both sides and you get:
c = 13.9
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