Question

http://oi40.tinypic.com/301dco5.jpg
Need help finding 10 and 12 Please and Thank You

Answer 1

10
length of arc=36.8=(angle/360)*2*pi*r

Answer 2

angle=260

Answer 3

@Nerdy_3000

Answer 4

Do you divide anything to the other side

Answer 5

no it is the formula jst put the values and caculate r

Answer 6

Do you get 32.3- rounded answer

Answer 7

It just won't give me the answer looking for

Answer 8

wat ans u r not getting
tell fast plzzzzzzzzzzzzzzzzz

Answer 9

The answer should be 8.1 and I kept on getting 32.3

Answer 10

Hello anybody please help??

Answer 11

\[ \frac{260}{360}\cdot 2\pi\cdot r= 36.8\]
we can simplify 260/360=13/18
\[ \frac{13}{18}\cdot 2\pi\cdot r= 36.8\]
also, divide top and bottom by 2 on the left side
\[ \frac{13}{\cancel{18}9}\cancel{2}\pi\cdot r= 36.8\]

\[ \frac{13\pi}{9} r= 36.8\]
multiply both sides by the inverse of the fraction ("flip it")
\[ \frac{13\pi}{9} \cdot \frac{9}{13\pi} r= 36.8\cdot \frac{9}{13\pi} \]
\[ r= \frac{36.8 \cdot 9}{13\pi} \]
now get a calculator and find r
= 8.1096

Answer 12

Thank you very much!

Answer 13

I completely understand it now