Answer:
x = 60° (Alternate angles)
Step-by-step explanation:
a) x = 60°
b) Reason: Alternate angles
I think it is 60 years old?
Answer:
30 tens
90 is the greatest number of tens
With dot plot if it’s symmetrical its the mean and MAD, so i think that.
Arc length = radius * central angle (in radians)
arc length = 63 * 2PI/9 radians
arc length = 14 PI
