Geometry Ch 1 Terms

<AEB and <BEC are supplementary

• True
• False

Name a pair of vertical angles in the diagram

• <AEB and <BEC
• <DEA and <BEA
• <BEC and <CED
• <DEC and <AEB

What is the symbol for line?

• ------>
• <------>
• ---------

Angles are named by three letters.

• always
• sometimes
• never

When naming an angle with three letters the middle letter is the vertex.

• always
• sometimes
• never

Complementary angles add up to how many degrees?

• 90
• 180
• 360

Vertical angles are congruent

• always
• sometimes
• never

Supplementary angles add up to how many degrees?

• 90
• 180
• 360

Name a pair of adjacent angles

• <DEC and <CEB
• AEC
• <AEB and <DEC
• <BEC and <DEA

How many letters do we need to name a ray?

• 1
• 2
• 3