Squared
Geometry
Level
1
Tim has a square patch of grass in his yard with a side length of 5 meters.
A cement walkway, 1 meter wide, surrounds the grass on all sides.
What is the area of the walkway in square meters?
The answer is 24.
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1 solution
Moderator note:
Simple standard approach.
The walkway and the grass combine to a form a square with length 7 m. This has an area of 7 * 7 = 49 square meters.
The grass itself has an area of 5 * 5 = 25 square meters.
So the area of the walkway is 49 - 25 = 24 square meters.