Respuesta :

Step-by-step explanation:

Let's check

  • Let radius be x

Circumference:-

➜2πr

2πx

  • New radius=3x

New Circumference:-

2πr

➜2π3x

➜6πx

Taking ratio:-

➜2πx/6πx

➜1/3

➜1:3

Thus,

If we quadruple the radius Circumference will also be quadrupled.