Answer:
Option C
Step-by-step explanation:
Given that area of a circle = 452.16 sq metres
Hence radius = 
After rounding off we get radius = 12metres
To find circumference
We know that circumference of a circle = 2pir
= 
Option C is right
Option D is right
Answer:
22.08
Step-by-step explanation:
9.2 times 2.4
Answer:
choosing a blue marble does not represent the complement event of choosing a red marble because 2/5 ≠ 4/5.
Step-by-step explanation:
The total number of marbles ⇒ 2 blue + 1 red + 2 purple = 5 marbles.
Answer:
true
Step-by-step explanation:
yes the statement is correct