Grade 6 Geometry Review

A set of points that extends without end in all directions along a flat surface is what?

• volume

• ray

• plane

• coordinate

Two lines that intersect at a 90 degree angle.

• perpendicular lines

• endpoint

• straight angle

• parallel lines

A part of a line with two endpoints.

• line

• ray

• angle

• line segment

Two rays that share an endpoint.

• a line

• a line segment

• an angle

• parallel lines

Angles that together add up to 90 degrees.

• supplementary angle

• obtuse angle

• complementary angle

• acute angle

An angle between 91 and 179 degrees.

• a supplementary angle

• an obtuse angle

• a complementary angle

• an acute angle

A location in space.

• a point

• a ray

• a line

• a line segment

Located outside a figure or outside the space between parallel lines.

• Extensions

• Exterior

• Intensions

• Interior

Triangles with all equal sides.

• Trapezoid

• Scalene

• Equilateral

• Isosceles

Triangle with no equal sides.

• Scalene

• Isosceles

• Trapezoid

• Equilateral