Answer:
m∠1 = 47°
m∠2 = 137°
m∠3 = 31°
Brainliest pls :D
c) 75
Step-by-step explanation:
180-155 = 25
80+25+x=180
x = 75
10 days
x = 12
5x - 30 = 2x + 6
3x = 36
Perimeter: 2(x+3) + 2(x+2)