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A rectangular red carpet of size 6 ft ×12 ft has a dark red border 6 inches wide. What is the area of the dark red border?

A rectangular red carpet of size 6 ft ×12 ft has a dark red border 6 inches wide. What is the area of the dark red border? Correct Answer 17 square feet

Initially carpet is 6×12 = 72 sq feet Since red border is 6 inches wide from all 4 side So area without border = 5× 11 = 55 sq feet Area of border = total–area without border = 72–55 = 17 sq feet

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