GEO - Mini Proofs Practice

Fill in the reason.

• def. of bisector

• Segment Add. Post.

• def. of midpoint

• Linear Pair Postulate

Fill in the reason.

• def. of bisector

• Angle Add. Post.

• def. of supp.

• def. of comp.

Fill in the reason.

• Symm. Prop. of =

• Reflexive Prop. of =

• Transitive Prop. of =

• Substitution Prop. of =

Fill in the statement.

• 
  

  $\angle3\ \cong\ \angle4$

• $m\angle3\ +\ m\angle4\ =\ 90$
  

• $m\angle3\ +\ m\angle4\ =\ 180$
  

• < 3 and < 4 are supp.

Fill in the statement.

• 
  

  $\angle2\ \cong\ \angle5$

• $m\angle2\ +\ m\angle5\ =\ 90$
  

• $m\angle2\ +\ m\angle5\ =\ 180$
  

• < 2 and < 5 are a linear pair

Fill in the reason.

• def. of midpoint

• def. of bisector

• def. of linear pair

• Angle Addition Postulate

Fill in the reason.

• Reflexive Prop. of =

• Subtraction Prop. of =

• Equality Prop. of =

• Division Prop. of =

Fill in the statement.

• y = x

• z = y

• x = z

• z = z

Fill in the reason.

• Substitution Prop. of =

• Multiplication Prop. of =

• Simplify

• Addition Prop. of =

Fill in the reason.

• def. of midpoint

• Addition Prop. of =

• Segment Addition Postulate

• def. of bisector