A polygon has many sides., A triangle is a polygon with three sides., A square has four equal sides., A rectangle has four sides and four right angles., A trapezoid has one pair of parallel sides., A rhombus has four equal sides, but its angles are not always right angles., A parallelogram has two pairs of parallel sides, and its opposite sides are equal., An isosceles triangle has two equal sides, so it also has two equal angles., Even though a scalene triangle has no equal sides, it is still a polygon with three angles and three sides., While all squares are rectangles because they have four right angles, not all rectangles are squares since their sides are not always equal.

Polygon Sentence Structure

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