Question

plz help
this is for exam​

Answer 1

Answer:

x+x+10+x+20=180°

3x+30°=180°

3x=150°

x=50°

Step-by-step explanation:

thanks for the question

Answer 2

Answer:

x = 110

Step-by-step explanation:

• (x+10)° + (x+20)° + x = 360°
• (3x + 30)° = 360°
• 3x = 360 - 30
• x = 330÷3
• x = 110