1.
Find the complement of 20°.
A.
340°
B.
160°
C.
70°
D.
20°
Hint
2.
Find the supplement of 20°.
A.
340°
B.
20°
C.
160°
D.
70°
Hint
3.
Find the complement of 5
x
°.
A.
(90 -
x
)°
B.
(180 -
x
)°
C.
(90 - 5
x
)°
D.
(180 -
x
)°
Hint
4.
Find the measure of the third angle of a triangle if two angles are 15° and 56°.
A.
71°
B.
19°
C.
289°
D.
109°
Hint
5.
Find the three measures for the triangle.
A.
30°, 30°, 120°
B.
60°, 60°, 60°
C.
36°, 36°, 108°
D.
36°, 72°, 72°
Hint