Classifying Polygons

Polygons ,[object Object],[object Object]

Triangles, classifying by angles Acute Triangle Right Triangle Obtuse Triangle Has three acute angles Has one right angle Has one obtuse angle

Triangles, classifying by sides Isosceles Triangle Equilateral Triangle Scalene Triangle All three sides are congruent Two of the sides are congruent No sides are congruent

Example 1 ,[object Object],8 in 8 in Isosceles right triangle Equilateral acute triangle

You try some now ,[object Object],Scalene right triangle Isosceles obtuse triangle Scalene obtuse triangle

Classifying Quadrilaterals Trapezoid Exactly one pair of parallel sides Parallelogram Both pairs of Opposite sides parallel Rhombus Four congruent sides Rectangle Four 90̊ angles Square Four 90̊ angles and Four congruent sides Quadrilateral Shape with four sides

Example 2 ,[object Object],[object Object]

Now your turn ,[object Object],[object Object],[object Object],[object Object]

Regular polygon ,[object Object],[object Object],Triangle Square Pentagon Hexagon Octagon

Classifying Polygons

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