Question

help!

Answer 1

@Vocaloid

Answer 2

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

Answer 3

@Vocaloid

Answer 4

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

Answer 5

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

Answer 6

@Vocaloid

Answer 7

i got 36 pi for B but i dont know A

Answer 8

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

Answer 9

@Vocaloid am i right?

Answer 10

i got A for A

Answer 11

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

Answer 12

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

Answer 13

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

Answer 14

i got 16 pi

Answer 15

yes 16π and 36π

Answer 16

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