Respuesta :
Answer:
I don't know follow the hint below i guess
Step-by-step explanation:
The circumference is pi x diameter. Double the radius to get the diameter.
Answer:
21 cm
Step-by-step explanation: Given
Circumference of a circle with radius (r)-radius (r)=111 cm
(2πr−r)=111
r(2π−1)=111
r(44/7−1)=111
r[(44/7−7)/7]=111
∴r=111×7/37=3×7=21cm
∴ radius is 21 cm.
Hope this helps!! :)