A ladder is leaning against the side of a
1 answer:
Answer: 8.94 ft
Step-by-step explanation:
The ladder leaning against the perpendicular wall forms a right angled triangle. As per Pythagorus theorem,
a^2 + b^2 = c^2
8^2 + b^2 = 12^2
64 + b^2 = 144
b^2 = 144 - 64 = √80= 8.94 feet
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