Question

What’s the answer does anyone know?

Answer 1

I hope this helps. Just plug it into the formula and you’re good

Answer 2

56.57

Step-by-step explanation:
In the process,
Diameter= 18,
Radius(r)=
18
2

∴
Radius= 9
Now,
Circumference (Perimeter) = ?
According to the formula,
Perimeter= 2
×
22
7
×
r

Taking the equation,
Perimeter= 2
×
22
7
×
r

2
×
22
7
×
9

396
7

56.57142857

56.57

Let's hope this helps you:)