1.4 & 1.5

True - 45 and 45 degrees

A pair of vertical angles can be complementary. True or False?

True - 90 and 90 degrees

A pair of vertical angles can be supplementary. True or False?

False - 5 and 120 degrees

An acute and an obtuse angle are always supplementary. True or False?

obtuse

An angle whose measure is between 90 and 180 degrees.

True

Complementary angles must be acute. True or False?

False - the 2 angles can be right

Supplementary angles must be acute. True or False?

degree

The basic unit by which angles are measured

False - 10 and 30 degrees

Two acute angles are always complementary. True or False?

False - 2 acute angles do not add to 180 degrees

Two acute angles can be supplementary. True or False?

congruent

Two angles having the same measure

supplementary

Two angles whose measures have a sum of 180 degrees.

complementary

Two angles whose measures have a sum of 90 degrees.

True

Vertical angles must have the same measure. True or False?