Sum of all interior angles = (n - 2) x 180
Sum of all interior angles of a 18-gon = (18 - 2) x 180 = 2880°
-------------------------------
Answer: 2880°
-------------------------------
Answer:
Now plot the points in the coordinate plane.
Finally draw a smooth curve joining the points.
Step-by-step explanation:
Answer:
19
Step-by-step explanation:
9+1=10
9*1=9
10+9=19
Answer:
7 per minute
Step-by-step explanation:
This is because if you divide 630 by 90 it would give you 7, and if you times 7 by 90 it would give you 630,
. For example one minute is 7 miles so 90 minutes is 630 miles. Your welcome.