Answer:
d)58
Step-by-step explanation:
21+37=58 add angles
HOPE IT HELPS YA
C
19-8=11.
n = 90 - 62
n = 28º
m = 180 - (62 + n + 27)
m = 180 - (62 + 28 + 27)
m = 180 - 117
m = 63º