please answer this question. ....
Attachments:
Answers
Answered by
0
Let the area of the radius of the circle be R Area=9.pi.r²
pi. R²=9.pi.r²
R²=9r²
R=3r
Now we have got its radius which is 3r
So it's circumference =2.pi.(3r)=6.pi.r
Hope it may help you. Please make it as a brainlist.
pi. R²=9.pi.r²
R²=9r²
R=3r
Now we have got its radius which is 3r
So it's circumference =2.pi.(3r)=6.pi.r
Hope it may help you. Please make it as a brainlist.
Similar questions