Question

diameter of a circle is 2. What is its area?

Answer 1

The formula for the area of a circle is \[A=\pi r ^{2}\] So we need to find the radius (half of the diameter) and plug it into the formula! :)

Answer 2

what is the radius then? 1?

Answer 3

yes

Answer 4

so the area is 1pi?

Answer 5

yup @Dorith

Answer 6

ok thank you!

Answer 7

\(\Huge\cal Welcome~to~Open~Study!!\)

Answer 8

Everyone else forgot do there ya go ^^

Answer 9

thank you!