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Mathematics 9 Online

OpenStudy (anonymous):

Mandy loves to eat New York pizza. Each square inch of pizza is 10 calories. She orders a slice of pizza from a pizza with a diameter of 20 inches that is cut with a central angle of 50 degrees. How many calories does she eat? about 314 calories about 436 calories about 3,142 calories about 43 calories

13 years ago

ganeshie8 (ganeshie8):

pizza is in circle shape with a radius of 20/2 = 10 inches what shape slice will be in ?

13 years ago

ganeshie8 (ganeshie8):

|dw:1342796810859:dw|

13 years ago

ganeshie8 (ganeshie8):

do you know how to find area of a sector ?

13 years ago

OpenStudy (anonymous):

no . :(

13 years ago

ganeshie8 (ganeshie8):

ok. u know formula for area of circle ?

13 years ago

OpenStudy (anonymous):

nope ! Sad :(

13 years ago

ganeshie8 (ganeshie8):

its okay. can you google and tell me

13 years ago

OpenStudy (anonymous):

π × r2.

13 years ago

ganeshie8 (ganeshie8):

thats right :) can you compute the are of circle(pizza) using above formula

13 years ago

ganeshie8 (ganeshie8):

here r = 10

13 years ago

ganeshie8 (ganeshie8):

|dw:1342797346526:dw|

13 years ago

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