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Johnny uses 2-inch square tile to make a square, as shown below. What is the perimeter of Johnny's square? there are 3 2-inch tiles in a row. Total of 9 2-inch squares



Answer :

SchwarzschildRadius
So,

If we visualize it, we can see a 3 x 3 square, with each unit representing 2 in.

If we do simple multiplication, we can figure out that each side is 6 in. long.

Fourfold of 6 in. reveals the perimeter: 24 in.

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