General Geo
Two angles whose sum is 90 degrees
Complementary
What is a angle less than 90 degree
Acute
what are complementary angles
Angles that add up to 90 degrees
If line CA is x+4, CB is 6 and BA is 2x-1, what does BA equal.
BA= 3
What does the little square in the corner of certain angles mean?
it is 90 degrees
it is a right angle
What is a 90-degree angle called
A Right Angle
What are supplementary angles
Angles that add up to 180 degrees
If line AB is 3x-13, BC is 16 and AC is 4x-4, what does x equal?
X= 7
if you have to different letter variables in an angle, can you solve it?
No
What is a 180-degree angle called
Obtuse
what are vertical angles
two angles whose side forms pair of opposite rays
If m<FEH equals 180 and m<HEG equals 28 degrees what does m<FEG equals
m<FEG=152
What is a 180-degree angle?
A circle.
what are adjacent angles
Two coplanar angles with a common side, a common vertex, and no common interior points
What is a straight angle
a line
What is a plane
two-dimensional surface that extends infinitely far