Question

I need help with 5 questions please!
(Areas Of Circles)
Click the link below to help!
http://gyazo.com/64400861180d5af7cfeb6af794f211f6

Answer 1

Find the area of the square.

\(\sf A = a^2\)

\(\sf A = 7^2\)

Simplify @Kamisia

Answer 2

Ok

Answer 3

Can you simplify \(\sf 7^2\)?

Answer 4

49

Answer 5

Sorry, open study is laggy

Answer 6

Yes, now find the area of the circle.

\(\sf A = \pi r^2\)

The diameter is 7..so what's the radius going to be?

Answer 7

14

Answer 8

Is it 14

Answer 9

@iGreen

Answer 10

Hey Green, think you could help me in chem?

Answer 11

He is afk

Answer 12

Oh, sorry.

Answer 13

No, the diameter is twice the radius..so we divide it by 2, not multiply.

Answer 14

Ok

Answer 15

3.5

Answer 16

Are you alive o-o

Answer 17

Yes..

Answer 18

\(\sf A = (3.14)(3.5^2)\)

Simplify

Answer 19

38.465

Answer 20

Yes, now subtract that from 49.

49 - 38.465 = ?

Answer 21

9.535

Answer 22

Check again

Answer 23

10.535

Answer 24

Yes, that's our answer.

Answer 25

@iGreen Thank you!!