12. A circular flowerbed is 6 meters in diameter and has a circular sidewalk around it 1 m wide. Find the area of the sidewalk in square meters.
12. A circular flowerbed is 6 meters in diameter and has a circular sidewalk around it 1 m wide. Find the area of the sidewalk in square meters.
Chapter9: Math Models And Geometry
Section: Chapter Questions
Problem 483PT: A triangular poster has base 80 centimeters and height 55 centimeters. Find the area of the poster.
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