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Polygons based on Number of Sides

Rex looks at ...

Question

Rex looks at some cards in which certain shapes are drawn.

He wants to find what is common in all these shapes.
Can you help him?

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Solution

The above shape has a triangle and a square.

The above shape has a triangle and a trapezoid.

The above shape has a triangle and a pentagon.

The above shape has a square and triangle.

The above shape has a triangle and a hexagon.
We can see that each of the images has a triangle. Therefore, it is common to all the shapes.

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