Geo U1 Definitions, Postulates, and Formulas

Two planes intersect in ______

• one line

• one point

• one plane

• one line segment

True or False: It is okay to name a plane with 3 collinear points

• True

• False

True or false: Skew lines intersect one another

• True

• False

Opposite rays are ____

• two rays that intersect each other

• two rays that make a line

• two rays that make a line with the same endpoint

• two rays with the same endpoint

Which statement represents the Segment Addition Postulate?

• FG + GE = FE

• EF + EG = FG

• EF + FG = EG

Which statement is not true bases on the diagram?

• $M\ is\ the\ midpoint\ of\ \overline{AB}$

• $AM=MB$

• $\overline{AM}\ \ \cong\ \ \overline{BM}$

• $M\ is\ the\ midpoint\ of\ \overleftarrow{A}\overrightarrow{B}$

Complementary angles _________

• add to 90 degrees

• add to 180 degrees

• add to 360 degrees

• are angles that share one side (they are next to each other)

• are opposite angles formed when two lines intersect

Supplementary angles _________

• add to 90 degrees

• add to 180 degrees

• add to 360 degrees

• are angles that share one side (they are next to each other)

• are opposite angles formed when two lines intersect

Vertical angles _________

• add to 90 degrees

• add to 180 degrees

• add to 360 degrees

• are angles that share one side (they are next to each other)

• are opposite angles formed when two lines intersect

Adjacent angles _________

• add to 90 degrees

• add to 180 degrees

• add to 360 degrees

• are angles that share one side (they are next to each other)

• are opposite angles formed when two lines intersect