Unit 9 Vocabulary Test

Number of square units needed to cover a surface.

Lines that intersect to form a right angle.

The sum of any two side lengths of a triangle is always greater than the length of the third side.

Lines that do not intersect, always same distance apart.

Number of cubes needed to fill a 3D object.

The sum of the interior angles of a triangle always equals 180 degrees.

Quadrilateral with only one set of parallel sides.

3-sided polygon where the sum of all interior anges is 180 degrees.

3D object with two parallel bases and rectangular faces.

Quadrilateral with two sets of parallel lines, opposite sides and angles are equal.