Question

What is the exact area of a circle whose diameter is 14 cm?

A.
14 straight pi cm2

B.
28 straight pi cm2

C.
49 straight pi cm2

D.
196 straight pi cm2

Answer 1

@Michele_Laino

Answer 2

c

Answer 3

here we can apply this formula:
\[\huge area = \frac{{\pi {D^2}}}{4} = \frac{{\pi \times {{14}^2}}}{4} = ...?\]

Answer 4

so, I confirn your answer

Answer 5

oops..confirm*

Answer 6

k

Answer 7

:)