Question

What is the area of this circle? (Express your answer using π.)



A.
A = 144π cm2

B.
A = 6π cm2

C.
A = 48π cm2

D.
A = 36π cm2

Answer 1

is the ans A

Answer 2

Do you know the formula for the area of a circle?

Answer 3

not really

Answer 4

A=πr2

Answer 5

what is the ans

Answer 6

is the ans A

Answer 7

So this is \[Area = π \times r ^{2} \]

Answer 8

okay

Answer 9

π is Pi

π= 3.14

Answer 10

R stands for radius which is half of the diameter.

Answer 11

In this case, 6cm is r

Answer 12

k

Answer 13

So you should have \[Area = 3.14 \times 6^{2}\]

Answer 14

i think the ans is A

Answer 15

Incorrect

Answer 16

then what is it

Answer 17

Look at all the answers and tell me what they all have in common?

Answer 18

You should see that every number has the Pi symbol (π) next to it

Answer 19

D

Answer 20

Good job :)