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If you lean a ladder against the wall 12 feet high and the base of the ladder is 5 feet from the wall, how long is the ladder

Sagot :

Answer:

13

Step-by-step explanation:

We can use the Pythagorean Theorem to complete this problem.

1. [tex]a^2+b^2=c^2[/tex]

2. [tex]12^2+ 5^2 = 144 + 25[/tex]

3. [tex]144 + 25 = 169[/tex]

4. [tex]\sqrt{169} = 13[/tex]