C=2r
divide both sides by 2
c/2=r
c=2pir
divide by 2pi
c/(2pi)=r
Answer:
I can help with number 7 if you want
The percentages increased by 13% in 2007
102 as a mixed number 2x2no mixed number
Answer:
A ≈ 380.13in²
Or A= 379.94in²
Step-by-step explanation:
Formula for area:
A = π r²
A=π ·11² ≈ 380.13in²
If π is used as 3.14 then
A=3.14·11² = 379.94