Geometry Proofs Practice

What is true about linear pairs? Select ALL that are true (there are 3 statements that are true).

• They are supplementary

• They are adjacent.

• They are across from each other.

Which two angles make a linear pair?

• Linear Pair Theorem

• Vertical Angle Theorem

• definition of supplementary angles

• Angle Addition Postulate

What reason allows us to say that AE+EC=AC?

• Angle Addition Postulate

• Segment Addition Postulate

• Linear Pair Theorem

• Definition of Midpoint

• Angle Addition Postulate

• Segment Addition Postulate

• Linear Pair Theorem

• Definition of Midpoint

• definition of straight angle

• LI

• definition of supplementary angles

• definition of midpoint

What is true about vertical angles? Select ALL that are true (there are two that are true).

• They are congruent

• They are across from each other

• They are next to each other

• They are supplementary.

What equation is set up correctly to help you find the value of x?

Solve for the value of x.

What is the correct set up for an equation to find x?