trianglless

A triangle with 3 acute angles

• right

• acute

• obtuse

A triangle with one right angle.

• right

• acute

• obtuse

A triangle with one obtuse angle.

• Right

• acute

• obtuse

A triangle with 3 equal sides.

• equilateral

• scalene

• isosceles

A triangle with no equal side

• Equilateral

• Isosceles

• scalene

A triangle with 2 equal sides.

• equilateral

• scalene

• isosceles

A quadrilateral with no parallel side

• trapezium

• trapezoid

• parallelogram

A quadrilateral with 2 pair of opposite sides parallel

• trapezium

• trapezoid

• parallelogram

A parallelogram with 4 right angles

• square

• rhombus

• rectangle

A parallelogram with four right angles and four equal sides.

• square

• rhombus

• rectangle