## anonymous one year ago help!

1. anonymous

@Vocaloid

2. anonymous

A circular picture is 8 inches in diameter. Part A What is the area of the picture in square inches? A. 4π square inches B. 8π square inches C. 16π square inches D. 32π square inches Part B A frame that is 2 inches wide surrounds the picture. What is the total area of the picture and the frame in square inches? A. 4π square inches B. 12π square inches C. 36π square inches D. 40π square inches

3. anonymous

@Vocaloid

4. anonymous

$A=\frac{ \pi d^2 }{ 4 }$ For the first one, substituted 8 for d and reduce

5. anonymous

for the second, a 2" frame increases the diameter by 4 b/c of 2" on each side. Substitute 12 for d

6. anonymous

@Vocaloid

7. anonymous

i got 36 pi for B but i dont know A

8. anonymous

they're exactly the same problem. Do 8^2 Then divide by 4

9. anonymous

@Vocaloid am i right?

10. anonymous

i got A for A

11. anonymous

It looks like you did 8*2 8^2 = 8*8

12. anonymous

im not ignoring her :) im listening and learning :)

13. anonymous

oh yea i did 8*2 sorry, let me re-do it

14. anonymous

i got 16 pi

15. anonymous

yes 16π and 36π

16. anonymous

ok thanks! i have a bunch more questions! can i tag you :)