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Polygons

Triangles and Quadrilaterals

TermDefinition
Acute Triangle An Acute Triangle is a triangle that contains only acute angles.
Right Triangle A Right Triangle is a triangle that contains a right angle.
Obtuse Triangle An Obtuse Triangle is a triangle that contains an obtuse angle.
Equilateral Triangle An Equilateral Triangle is a triangle that contains three sides that are equal in measure.
Isosceles Triangle An Isosceles Triangle is a triangle that contains at least two sides that are equal in measure.
Scalene Triangle A Scalene Triangle is a triangle that contains no sides that are equal in measure.
Triangle A Triangle is a polygon that contains three sides.
Quadrilateral A Quadrilateral is a polygon that contains four sides.
Trapezoid A Trapezoid is a Quadrilateral with exactly one pair of parallel sides.
Parallelogram A Parallelogram is a Quadrilateral with two pair of parallel sides.
Rhombus A Rhombus is a parallelogram that contains four congruent sides.
Rectangle A Rectangle is a parallelogram that contains four angles that measure 90 degrees.
Square A Square is a parallelogram that contains four angles that measure 90 degrees and four congruent sides.
Congruent Congruent means equal in measure.
Created by: esisolak