Exercise 59 Page 529

Think about the properties of special quadrilaterals.

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Let's start our diagram with a split depending on the number of parallel sides of a special quadrilateral.

Kites have two pairs of congruent sides, but they do not have parallel sides.
Trapezoids have exactly one pair of parallel sides.
Parallelograms have two pairs of parallel sides.

Let's also consider congruent sides and angles.

An isosceles trapezoid is a trapezoid with congruent legs.
A rhombus is a parallelogram with four congruent sides.
A rectangle is a parallelogram with four congruent right angles.

The last special quadrilateral we need to place on our diagram is the square. Squares have four congruent sides and four congruent angles. A square is both a special rhombus and a special rectangle.

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Exercises p.526-530

Exercise 59 Page 529

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