Answer:
First one
Step-by-step explanation:
Hope this helps :)
Answer:
71°
Step-by-step explanation:
3x° + (x - 11)° + (2x - 55)° = 360°
3x + x - 11 + 2x - 55 = 360°
6x - 66 = 360°
6x = 360° + 66°
6x = 426°
x = 71°
10,000,000,000×200,000 = 2e+15
I plugged the equation in to my graphing calculator and found the zeros at (-2.7,0) and (2.7,0)
Answer:
≈113.09734
Step-by-step explanation:
A=πr2=π·62≈113.09734