C=pi 2r
Pi 2 x 12
24 pi =75.36
Answer:
9.92
Step-by-step explanation:
8.63 x 1.15=9.92
The circumference C=2 pi r and area A=pi r^2
A=300 cm^2
300=pi r^2 we divide by pi
300/3.14=r^2
r^2=95.55
r=sqrt 95.55
r=9.77
C=2*3.14*9.77=61.36
Answer:
C
Step-by-step explanation:
A: a whole number is a positive number (not including 0) that does not have anything after the decimal.
B: an integer is 0, all the + and all the minus numbers that have nothing after the decimal.
D: an irrational number has an unending decimal like pi.
C: has a terminating decimal and is minus. It is C, rational.