Basics of High School Geometry

Two angles whose measures have the sum 90°

• Complementary angles

• Right angle

• Supplementary angles

• Perpendicular

Angles  a and d are what type of angles?

• Linear Pair Angles

• Vertical Angles

• Right Angles

• Adjacent Angles

  Name the relationship between the two angles.

• Adjacent

• Supplementary

• Complementary

• Vertical

   Name the relationship between the angles.

• Linear Pair

• Complementary

• Supplementary

• Vertical

Which is NOT a name for this angle?

• ∠DEF

• ∠FED

• ∠E

• ∠EDF

What is part of a line that goes forever in just one direction?

• line

• line segment

• ray

• plane

Part of a line consisting of two endpoints is a

• ray

• plane

• half line

• segment

Name the plane.

• Plane DEA

• Plane j

• Plane CDF

• Plane F

Name three coplanar points.

• D, E, B

• C, B, A

• M, E, C

• A, F, E

Two angles whose measures have the sum 180°

• Complementary angles

• Supplementary angles

• Obtuse angle

• Straight angle