Question

The circle below has a radius of 10 cm. What is the area of the shaded region? If necessary, round your answer to two decimal places. Do not include units in your answer.

Answer 1

http://media.apexlearning.com/Images/200703/26/c1daf8eb-b3e3-44ae-9af1-6d65b2c1b40f.gif

Answer 2

its 56 right?

Answer 3

how did you get that?

Answer 4

i don't even know lol i think i subtracted and divided?

Answer 5

i lost my paper work lol

Answer 6

start with the formula for the area of a circle...

Answer 7

a= pi,r,2

Answer 8

ok, calculate the entire area

Answer 9

10*10=100*pi=314.159265359

Answer 10

good, now how many degrees are in a circle?

Answer 11

360?

Answer 12

yes

Answer 13

in this question you are given 120 degrees, right?

Answer 14

yes

Answer 15

how many times does 120 go into 360?

Answer 16

3 times

Answer 17

so take a third of the entire area, right?

Answer 18

um yeah...

Answer 19

if they gave you 180 degrees you would take 1/2 the area

Answer 20

um not to be rude or anything but i really need answers....i have like 50 something questions to do and only a short amount of time....again srry really not trying to be rude :(

Answer 21

10*10=100*pi=314.15926535

$$\dfrac{314.159265359}{3}$$

Answer 22

that^ is your answer :-)

Answer 23

104.72

Answer 24

Good job!

Answer 25

thank you!

Answer 26

for your help

Answer 27

Thanks for trying to learn :D