Know that a rectangle is a four-sided polygon with four right angles
Lesson 4 / 10
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I can identify a rectangle as a four-sided polygon with four right angles.
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A polygon is a 2D shape made up of 3 or more sides.
A rectangle is a 4-sided polygon with 4 right angles.
A 4-sided shape with fewer than 4 right angles is not a rectangle.
A right angle is marked with a symbol inside the angle.
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