The diameter of a circle is increased by 3 cm, then the ratio of new radius to the circumference
Answers
Answered by
3
Step-by-step explanation:
let radius of circle be r
new radius =r+1
new diameter=2(r+1)
new circumference=2π(r+1)
=2π(r+1)/2(r+1)=π:1
Answered by
4
Answer:
New radius of circle is r+3 cm
Circumference of circle is 2π(r+3)
Ratio (r+3)/2π(r+3)
So the ratio is 1 : 2π
Step-by-step explanation:
Similar questions