Answer:
A its like right there in the chart
Step-by-step explanation:
hope this helped
Answer:
x = 20
Step-by-step explanation:
x° + 2x° + (x+10)° = 90°
3x° + x° + 10° = 90°
4x° + 10° = 90°
4x° = 90°-10°
4x° = 80°
x = 80/4
x = 20
The correct answer would be c. hope this helps