Answer:
Step-by-step explanation:
1/2 * ( 9 * 6 * 10)
1/2 * 540
270 
C. multiply the second equation by two. Then add the equations
To determine the missing angle you simply subtract the angle you know from 180 because a flat line is 180 degrees. If it is a circle you subtract the number from 360. Hope this helps!
Answer:
0
Step-by-step explanation:
the derivative is zero since it has no variable