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Tri & Quads

Properties of Triangles and Quadrilaterals

3 sided figure whose three angles always add up to 180˚ Triangle
A triangle with two congruent sides and two congruent angles. Isosceles triangle
A triangle with a 90˚ angle and two acute angles. Right triangle
A triangle with three congruent sides and three congruent angles. Equilateral triangle
A triangle with no sides and no angles the same. Scalene triangle
A 4 sided figure whose 4 angles always add up to 360˚ Quadrilateral
A quadrilateral that has two pair of parallel sides. Parallelogram
A parallelogram with 4 right angles. Rectangle
A parallelogram with equal sides. Rhombus
A parallelogram with 4 equal sides and 4 right angles. Square
A quadrilateral with one pair of parallel sides. Trapezoid
A quadrilateral with one pair of parallel sides and two congruent sides. Isosceles trapezoid
We have 2 acute angles that are equal, 2 obtuse angles that are equal, and one of my acute plus one of my obtuse angles equals 180˚. Parallelogram, Rhombus, Isosceles Trapezoid
What do we call a polygon with all sides congruent AND all angles congruent. Regular Polygon
Created by: Shepard6Math