Define complementary angles and define supplementary angles.
Complementary angles: angles that sum to 90o
Supplementary angles: angles that sum to 1800
Define vertical angles and define adjacent angles.
Vertical angles: Opposite angles, always equal
Adjacent angles: angles that share a common vertex and a common side but do not overlap
The sum of the angles in a triangle is always...
180o
Name all congruent angles.
1,4,5,8
2,3,6,7,
Angles A and C are supplementary. Find the measure of angle C.
106o
Which angles are vertical to angle 6?
Which angles are adjacent to angle 6?
Vertical: Angle 3
Adjacent: Angle 5 and Angle 1
What is the triangle inequality theorem
The sum of any two sides of a triangle must be greater than the third side
If line QS and line TV are parallel lines and m angle TUW = 40o, what is m angle VUR?
40o
Find the measure of angle DAC
33o
What is the measure of angle b?
b = 37o
Order the side lengths of the triangle from least to greatest.
BONUS: Name the triangle by its sides and angles
b, a, c
Acute Scalene
If line NP and line QS are parallel lines and m angle POR = 110o, what is m angle SRT?
1100
Find the 2 missing angle measures
60o and 30o
Find x, y, and z
x = 64o
y = 18o
z = 98o
Find the measure of angles a, b, c, and d.
a = 55o
b = 65o
c = 60o
d = 30o
Find the measure of angles A, B, and C.
A = 20o
B = 60o
C = 100o
Find the angle measures
57o and 123o
Find the measure of the angles
Both angles are 47o
Find the value of x.
x = 31o
Find the measure of angles A, B, C.
a = 58o
b = 48o
c = 74o