Definition
An angle that is opposite from another when two lines cross.
What is a vertical angle?
supplementary angles always equal 90degrees ( T or F )
False
73 degrees
acute angle
how many degrees are in a supplementary angle?
180
Solve for x
2x+3=11
x=4
an angle that adds up to 180 degrees
What is a supplementary angle?
complentary angles always equal 180 degrees. (T or F)
false
a pair of angles that is the same exact degree
What are congruent angles?
how many degrees are in a complementary angle?
90
are all angles congruent?
No, only vertical
an angle that adds up to 90 degrees.
What is a complementary angle?
all vertical angles are congruent. (T or F)
true
91
obtuse angle
Do vertical angles have the same degree measure?
Yes, vertical angles are congruent.
In a right triangle one acute angle is 6 degrees larger than the other acute angle. What are the measures of the angles?
42,48,90
Two angles that share a common vertex
What is a vertical angle?
all angles are congruent. (Tor F)
false
How many angles are formed when two lines intersect?
4
Can two adjacent acute angles ever be supplementary?
No, they would only be complementary
If I were to make a U-turn how many degrees would that be?
180
A pair of adjacent and supplementary angles.
A Linear Pair.
All linear pair are supplementary (T or F)
true
180 degrees
straight angle
Can two obtuse angles every be complementary?
No obtuse is greater than 90
-5 + 3(1 + -2)?
-8