SOLUTION: a 18-foot ladder is leaning against a house. the bottom of te ladder is 4 feet from the house. to the nearest tent of a foot. how high does the top of the ladder reach?

Question 264306: a 18-foot ladder is leaning against a house. the bottom of te ladder is 4 feet from the house. to the nearest tent of a foot. how high does the top of the ladder reach?
Found 2 solutions by Ruli, JBarnum:
Answer by Ruli(21) (Show Source): You can put this solution on YOUR website!
a^ + 4^ = 18^
a^ + 16 = 324
a^ = 308
a = 17.5
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
Use formula where A =4 feet B= top of ladder hieght and C= 18 feet

round to nearest tenth:

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