6th grade Geometry vocabulary

Front

What is a triangle with one 90 degree angle called?

Back

Right triangle

Front

What is a two-dimensional figure that can be used to build a three-dimensional figure called?

Back

Net

Front

What do you call a closed figure having four sides and four angles?

Back

Quadrilateral

Front

If the sides of a triangle measure 5 yd, 5 yd, 5 yd, what is the best classification?

Back

Equilateral

Front

What is a polygon with 5 sides called?

Back

Pentagon

Front

What is a triangle with all sides of different lengths called?

Back

Scalene triangle

Front

What do you call a triangle with at least two sides of equal length?

Back

Isosceles triangle

Front

What is a polygon with 6 sides called?

Back

Hexagon

Front

What is a polygon with 7 sides called?

Back

Heptagon

Front

What is a polygon with 8 sides called?

Back

Octagon