Polygons Vocabulary

A triangle with all angles less than 90 degrees is called a/an __________ angled triangle

• Acute

• Obtuse

• RIght

• Equilateral

• Isosceles

A triangle with one angle of exactly 90 degrees is called a/an __________ angled triangle

• Acute

• Obtuse

• Right

• Scalene

• Isosceles

A triangle with one interior angle greater than 90 degrees is called a/an __________ angled triangle

• Acute

• Obtuse

• Right

• Scalene

• Isosceles

A triangle with all sides of equal length is called a/an __________ triangle

• Acute

• Obtuse

• Equilateral

• Scalene

• Isosceles

A triangle with two sides of equal length and a different third side is called a/an __________ triangle

• Acute

• Obtuse

• Equilateral

• Scalene

• Isosceles

A triangle with three different side lengths is called a/an __________ triangle

• Acute

• Obtuse

• Equilateral

• Scalene

• Isosceles

A polygon with four equal sides

• Square

• Quadrilateral

• Rectangle

• Kite

• Trapezium

A quadrilateral with exactly one pair of parallel sides

• Square

• Rectangle

• Rhombus

• Kite

• Trapezium

Any polygon with four sides is called a

• Square

• Rectangle

• Rhombus

• Quadrilateral

• Trapezium

A quadrilateral with opposite sides equal and parallel could be a

• Square

• Rectangle

• Rhombus

• Trapezium