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Sally's cat is stuck in a tree 18 ft off the ground. The base of a ladder is placed 6 feet away from the base of the tree. What is the minimum length ladder needed to reach the cat (rounded to the nearest
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Sally's cat is stuck in a tree 18 ft off the ground. The base of a ladder is placed 6 feet away from the base of the tree. What is the minimum length ladder needed to reach the cat (rounded to the nearest foot)

User Cameron Askew
by
8.3k points

1 Answer

2 votes
Use Pythagorean Theorem
a^2 + b^2 = c^2

18ft^2 + 6ft^2 = c^2
324ft + 36ft = c^2
360ft = c^2
√(360) = √(c^2)
~19ft = c
User Hituptony
by
8.4k points
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