Angles
An angle that is equal to 90 Degrees
Right angle
3X = 9
X =3
Find the angle that is complementary to 82 degrees.
8
BD bisects ABC. What is the measure of ABD?
25 Degrees
An angle that is more than 0 degrees, but less than 90 degrees.
Acute angle
10X = 3X + 77
X = 11
Find the angle that is supplementary to 175 degrees.
5
BD bisects ABC. ABC measures 82 degrees. What does DBC measure?
41 degrees
An angle that is greater than 90 degrees, but less than 180 degrees.
Obtuse angle
X + 15 = 45
X = 30
Find the angle that is complementary to 45 degrees.
45
BC bisects ABD. ABD is 112 degrees. What is CBD?
56 degrees.
Two angles whose measures have a sum of 90 degrees.
Complementary angles
2X - 25 = 45
X =35
Find the angle that is supplementary to 115 degrees.
65
BD bisects ABC. ABC measures 121 degrees. What is EBD?
61 degrees
Two angles whose measures have a sum of 180 degrees.
Supplementary angles
6X + X =95
X = 95
Find the angle that is complementary to 61 degrees.
29
ABC is 106 degrees. What is measure ABD?
31 degrees