2D Shapes

A triangle with two sides the same length

• Equilateral

• Right triangle

• Scalene

• Isosceles

A triangle with one angle more than 90 degrees

• Acute

• Obtuse

• Right

• Equilateral

A quadrilateral with two pair of parallel lines and not all congruent(equal) sides

• Parallelogram

• Rhombus

• Trapezoid

• Square

A triangle with all three sides the same length

• Isosceles

• Equilateral

• Scalene

• Right

A quadrilateral with only ONE pair of parallel lines

• Square

• Rhombus

• Parallelogram

• Trapezoid

A triangle with all three angles less than 90 degrees

• Isosceles

• Acute

• Obtuse

• Right

A triangle with a 90-degree angle

• Obtuse

• Acute

• Right

• Equilateral

A triangle with each side being a different length

• Scalene

• Isosceles

• Obtuse

• Acute

A quadrilateral with 4 congruent sides, two pair of parallel lines, and 4 congruent angles

• Trapezoid

• Parallelogram

• Rectangle

• Square

A quadrilateral - 4 congruent angles, two pair of parallel lines, two pairs of congruent sides

• Rhombus

• Parallelogram

• Rectangle

• Square