Which is the closest approximation to the area of the circle?

Use 3.14 to approximate π.

Question

Which is the closest approximation to the area of the circle?

Use 3.14 to approximate π.

yinshy · Answer

A.
57 mm²
 
 B.
113 mm²
 
 C.
324 mm²
 
 D.
1017 mm²

yinshy · Answer

attachment

mysticfury · Answer

what do you think it is @Yinshy

yinshy · Answer

A or B

mysticfury · Answer

okay lets walk through it....

the area formula is 3.14 x the radius squared (^2 is what we called squared
so 3.14 x 18 x 18
can you tell me what 18 x 18 is?

mysticfury · Answer

your pic is a chihuahua correct? what is it inside of? lol

yinshy · Answer

idk thats all they gave me

mysticfury · Answer

18 x 18 is 324 . when you see ^2 that means the number is times ed by iteself. 
next we need to finish it 3.14 x 324. is 1,017. therefore D is your answer