The formula for circumference of a circle
=
2
π
r
The radius
=
3
c
m
(assuming units to be in cm)
2
π
r
=
2
×
22
7
×
3
=
132
7
=
18.86
c
m
<span> all of our square numbers from 1 to 80 are 1, 4, 9, 16, 25, 36, 49, 64. </span>
Answer:
B and D
Step-by-step explanation:
I think i am right
In mathematics, the reciprocal, or multiplicative inverse, of a number x is the number which, when multiplied by x, yields 1. It is denoted 1/x or x-1.
The square root of pi is 1.77245385091.
