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Mathematics 21 Online
OpenStudy (anonymous):

PLZZZ HALP!!!!

OpenStudy (anonymous):

OpenStudy (anonymous):

@Destinymasha @AngelWilliams16

OpenStudy (anonymous):

@phi

OpenStudy (phi):

do they say how many pieces in a whole pie?

OpenStudy (anonymous):

mario has 8, tito has16 and peters has 10

OpenStudy (anonymous):

@phi

OpenStudy (phi):

Yes, I saw that. But I don't know how many pieces make a whole pizza

OpenStudy (anonymous):

im unsure as well

OpenStudy (phi):

If they don't say, we have to assume Mario divides its pie into 8 slices Tito into 16 slices and Pete into 10 slices. I would find the total area of each pie (multiply # of slices times area of each slice)

OpenStudy (anonymous):

mario's 113.04 tito's 200.96 peter's 153.86

OpenStudy (anonymous):

so it would be Mario, peter, and then tito right?

OpenStudy (phi):

you found the total area of each pi A = pi r^2 r^2 = A/pi if we put in r^2 = 113.04/3.14 = 36 r= 6 the circumference of mario's pie is 2 pi r = 2*3.14*6= 12 pi= 37.68 can you find the circumference for the other two ?

OpenStudy (phi):

**you found the total area of each pie (not pi!)

OpenStudy (anonymous):

i dont know

OpenStudy (anonymous):

i was never really good at math

OpenStudy (phi):

You are doing good. tito's area is 200.96 A= pi r^2 200.96 = 3.14 r^2 to find r^2 divide both sides by 3.14 \[ \frac{200.96}{3.14} = \frac{3.14}{3.14} r^2 \]

OpenStudy (phi):

what do you get when you simplify 200.96/3.14 ?

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