A straight angle measures...
180 degrees
Give 2 names for this angle:
ABC, CBA, or B
What is the measure of this angle?
35o
An angle measuring 91o
Obtuse
Find an acute angle somewhere in the room
...
Name the two angles in this photo:
BOA and COA
(or AOB and AOC)
Name the angle that measures 60 degrees
DOB, BOD
Complementary angles are...
Two angles that add up to 90 degrees
What is this called and what is it used for
Protractor; Measuring angles.
Name the two acute angles in this picture:
JLK and KLM
What is the measure of angle c?
50o
What are these angles TOGETHER called?
Complementary angles
For an angle to be OBTUSE its measurements have to be...
More than 90 degrees but less than 180 degrees
What is the measure of angle x?
62
(180 - 118)
What is the measure of angle DAC?
45 degrees
Supplementary angles...
Angles that add up to 180 degrees.
A figure formed by two rays with the same endpoint
Angle
What kind of angles are these?
Congruent!!!
a = 66 degrees
What are these angles TOGETHER called?
Supplementary angles