Question

what is the diameter of a circle with a diameter of 8

Answer 1

8 :P.

area = pi * (diameter/2)^2

circumference = pi * diameter

Answer 2

radius = diameter/2

Answer 3

yeah so it is 2 x 3.14 x8

Answer 4

why times 2?

what are you looking for btw? the question says diameter twice

Answer 5

good point @Euler271 , the question seams to answer it self.

Answer 6

isn't it 2 times 3.14 times 8

Answer 7

isn't what? :P

Answer 8

the circumference

Answer 9

circumference:

pi * diameter

or what you seem to be recalling

pi * 2 * radius

Answer 10

what is the circumference of a circle with a diameter of 8
or
what is the diameter of a circle with a circumference of 8
?

Answer 11

circumference the diameter is 8