1. Classifying Quadrilaterals
GEOMETRY LESSON 6-1
Classifying Quadrilaterals
Lesson 6-1
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2. Classifying Quadrilaterals
GEOMETRY LESSON 6-1
Parallelogram – a quadrilateral with both pairs of opposite sides parallel.
Rhombus – a parallelogram with four congruent sides.
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3. Classifying Quadrilaterals
GEOMETRY LESSON 6-1
Rectangle – a parallelogram with four right angles.
Square – a parallelogram with four right angles and four congruent sides.
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4. Classifying Quadrilaterals
GEOMETRY LESSON 6-1
Kite – a quadrilateral with two pairs of adjacent sides congruent and no
opposite sides congruent.
Trapezoid – a quadrilateral with exactly one pair of parallel sides. The
isosceles Trapezoid is a trapezoid whose nonparallel sides are
congruent.
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5. Classifying Quadrilaterals
GEOMETRY LESSON 6-1
Judging by appearance, classify ABCD in as many ways as possible.
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6. Classifying Quadrilaterals
GEOMETRY LESSON 6-1
Judging by appearance, classify DEFG in as many ways as possible.
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7. Classifying Quadrilaterals
GEOMETRY LESSON 6-1
Judging by appearance, classify WXYZ in as many ways as possible.
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8. Classifying Quadrilaterals
GEOMETRY LESSON 6-1
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9. Classifying Quadrilaterals
GEOMETRY LESSON 6-1
Determine the most precise name for the quadrilateral with vertices Q(–4, 4), B(–2, 9), H(8, 9), and A(10, 4).
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10. Classifying Quadrilaterals
GEOMETRY LESSON 6-1
In parallelogram RSTU, m R = 2x – 10 and m S = 3x Find x.
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11. Classifying Quadrilaterals
GEOMETRY LESSON 6-1
Find the values of the variables in the kite.
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