Question

the difference between circumference and diameter of a circle is 21.4 cm find the radius of the circle

plz tell why we do - 1
plz explain​

Answer 1

Answer:

let diameter be x

then circumference will be 21.4-x

radius- half of diameter-x/2

C-2πr-2*3.14/x/2

Explanation:

hope so it will help