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10/10 Basic shapes

Complete the matrix

Count each shape's sides.

The solution involves an arithmetic operation.

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What is three times three?

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steelesays...

Add the sides of the shapes in the first two columns of each row in order to find the sides of the shape in the third column.

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Joe Matsays...

Each row is the addition of the first two columns' polygon sides.

Correct answer: 4+4=8 (octagon)

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