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kotykmax [81]
2 years ago
10

A 25-foot ladder is placed against a vertical wall of a

Mathematics
1 answer:
dusya [7]2 years ago
3 0

Answer:

26.5ft

Step-by-step explanation:

Consider:

AB=25 ft

BC =9 ft

AC=?ft

(AB)^2 + (BC)^2 = (AC)^2\\25^2+ 9^2=(AC)^2\\(AC)^2= 625+81\\

AC=√706

AC=26.5 ft

Hope this helps! :)

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