Sagot :
[tex]Circumference=2 \pi r\, r-radius\\
6,28=2 \pi r|:2 \pi \\
r= \frac{6,28}{2 \pi }= 1\\\\
Area= \pi r^2\\
Area= \pi *1^2= \pi =3,14 unit^2[/tex]
Answer:
3.14
Step-by-step explanation:
6.28/3.14=2
Diameter=2
2/2=1
1*1=1
1*3.14=3.14