Answer:1/12
Step-by-step explanation:just divide 7/12 by 7 to get the per minute
Answer:
37+61+x=180
98+x=180
x=180-98
x=82°
the third angle is 82°
40
Step-by-step explanation:
30/12=2.5
20/2.5=8
8+8+12+12=40