The end of a dogs leash is attached to the top of a 5 foot tall fence the dog is 7 feet away from the base of the fence post how
long is the leash to the nearest tenth of a foot
1 answer:
Answer:
8.6 feet
Step-by-step explanation:
We solve this using Pythagoras Theorem
a² + b² = c²
c = Longest side of a right angled triangle = Hypotenuse
From the question
Length of the fence = a = 5 feet
Distant from the base of the fence = b = 7 feet
Length of the leash = Hypotenuse = c
Hence,
5² + 7² = c²
c² = 25 + 49
c = √74
c = 8.602325267 feet
Approximately to the nearest tenth of a foot the length of the leash = 8.6 feet
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