Notes Over 9 3 Classifying Polygons

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Notes Over 9 - 3
Classifying Polygons
triangle
A polygon with three sides is a _____________.
Classifying triangles by angles.
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Notes Over 9 - 3
Classifying Polygons
triangle
A polygon with three sides is a _____________.
Classifying triangles by sides.
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Notes Over 9 - 3
Classifying Polygons
Judging by appearance, classify each triangle by
its sides and angles.
Scalene
Equilateral
Isosceles
Right
Acute
Obtuse
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Notes Over 9 - 3
Classifying Polygons
quadrilateral
A polygon with four sides is a ________________.
Classifying quadrilaterals by angles and sides.
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Notes Over 9 - 3
Classifying Polygons
Judging by appearance, classify each
quadrilateral by its sides and angles.
Rectangle
Parallelogram
Trapezoid
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Notes Over 9 - 3
Classifying Polygons
A polygon with all sides and all angles congruent
is a _____________ polygon.
regular
7. Write a formula to find the perimeter of a
regular pentagon.
8. Use this formula to find the perimeter if one
side is 16 cm.
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Sketch each figure.
1. an isosceles right triangle.
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Sketch each figure.
2. a scalene obtuse triangle.
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Sketch each figure.
3. an isosceles obtuse triangle.
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Find the perimeter of each figure.
4.
9.8 cm
3.5 cm
9.8 cm
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Find the perimeter of each figure.
5. An equilateral triangle that has a side of
36 yd
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Find the perimeter of each figure.
6. a square that has a side of 5.1 cm
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7. Draw a parallelogram without a right angle
but with four congruent sides. What is another
name for this figure?
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8. Draw a regular quadrilateral.
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Notes Over 9 - 3
Classifying Polynomials