Vocabulary
Two angles are complementary if their sum is _________ degrees.
90
Are 45 and 135 complementary angles?
No
two angles form a right angle.
if one measures 34, what is the other angle measurement?
56
If 110°, 36°, 94°, and p are angles at a point, what is the value of p?
120
If 2x and 50 are vertical angles, find x.
25
Two angles are supplementary if their sum is ___________ degrees.
180
Are 113 and 67 supplementary angles?
Yes
three angles form a straight line.
one angle measures 41, and one angle measures 82. What is the final angle measurement?
57
if 55, 79, 92, and z are angles at a point, what is the value of z?
134
If 3x and 66 are vertical angles, find x.
22
The sum of angles at a point is _________ degrees.
360
Are 36 and 54 complementary angles?
Yes
three angles form a right angle: 19, 27, and x
find the value of x.
44
There are 4 angles at a point: 4x, 2x, x, and 5x.
Find the value of x.
30
Identify a pair of vertical angles from the board.
AOD and COB
or AOC and DOB
If two angles are congruent, what is true about their measurements?
They are equal.
Find the supplement:
132 and _____
48
four angles form a straight line: 43, 55, 17, and x.
Find x.
65
Find x for the problem on the board.
25
Find the measure of angles a, b, and c using the diagram on the board.
a=30
b=150
c=150
Adjacent angles share a common vertex and _______. They are angles that are _________ to each other (neighbors).
side, next
Find the complement and the supplement:
81 and _____
9 and 99
three angles form a straight line: x, 3x, and 2x.
Find the value of x.
30
Find p, q, r, and s from the problem on the board.
36
Vertical angles are c_______, which means that ______________.
congruent, they are equal in measure