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Each grass square measures 1 foot by 1 foot. How much fence is needed to go around the garden?

Each grass square measures 1 foot by 1 foot. How much fence is needed to go around-example-1

1 Answer

8 votes

Answer:

42 feet

Explanation:

The length of fence is equal to the perimeter of the shape. That can be found by adding the lengths of the edges.

__

Clockwise from the upper left corner, the sum of edge lengths is ...

2 +6 + 3 + 6 + 2 + 7 + 1 + 1 + 5 + 1 + 1 + 7 . . . . feet

= 8 + 9 + 9 + 2 + 6 + 8 . . . . added pairwise

= 17 + 11 + 14

= 28 + 14 = 42 . . . feet

42 feet of fence is needed to go around the garden

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