What is the circumfrance of 9 inch circle?

Answer 1

What is a "9 inch circle"? Is that the circle's diameter ?

-- The circumference of a circle is [ (pi) x (diameter)].

-- Take that formula.

-- Look up the value of (pi), either in your math book or on line.

-- Put the value of (pi) in its place in the formula.

-- Put the diameter of the circle in its place in the formula.

-- Perform the indicated operation (multiplication).

-- Bada-bing, you'll have the answer.

-- Take a moment to learn the spelling of "circumference".

Since you probably didn't understand the big words used above you should just write down 28.26 inches