Find The Missing Angle Measure

Two angles are complementary if the sum of their

measures is

Two angels are supplementary if the sum of their

measures is              degrees.   

180'
90'
These two angles are complementary
55' + 35' =
55'
degrees
35'
These two angles are supplementary
40'
40'  +  140'  =
140'
degrees

Remember that a straight

angle is equal to 180'

write your answer here
Find the value of "X"
50'
x=
X
degees
30'  +  X  =  90'
Find the value of   "X"
A
C
hint
30'
X
X=
B
degrees
D
hint:

remember

vertical angles

Find the measure of each numbered angle
2
60'
1
m
m
1 =
2=
degrees
degrees
120'
Find the missing measure
'
'
10'
'
Find the missing measure
50'
'
50'
'
11'
Find the missing measures

Hint----Remember vertical angles are

             congruent (equal)

55'
'
'
'
Identify as complementary or supplementary
1
2
42'
38'
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