The formula for the circumference of a circle = 2 x radius x pi
The radius is given as 21 cm and pi = 3.142
Circumference = 2 x 21 x 3.142 = 131.964 cm
The answer would be 25 because the square root of 25 is 5.
Answer: -1
Step-by-step explanation:
C is your answer
4 x 2 is pretty much 4 groups of 2
hope this helps
