Quadrilateral
Quadrilateral with 4 right angles?
Rectangle
What is a triangle with one right angle called?
Right triangle
What is a term for an angle less than 90*?
Acute
Quadrilateral with 4 sides of the same length?
Rhombus
What is a triangle with all acute angles called?
Acute Triangle
What is a term for an angle at exactly 90*?
Right
Quadrilateral with 4 right angles, and 4 sides of the same length?
Square
What is a triangle with an angle more than 90* called?
Obtuse Triangle
What is a term for an angle bigger than 90*?
What makes a polygon a quadrilateral?
Having 4 sides
What makes a polygon a triange?
Having 3 sides.
What is a term for a pair of sides that could go on forever and never touch?
Parallel
What is a quadrilateral with only 1 pair of parallel lines called?
Trapezoid.
What is a triangle with two sides of the same length and one side of a different length called?
Isosceles Triangle
What is a term for a shape having all the same sides and angles?
Regular