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Mathematics 9 Online
OpenStudy (anonymous):

@Michele_Laino

OpenStudy (anonymous):

21.2 right?

OpenStudy (michele_laino):

I'm trying...

OpenStudy (anonymous):

u can use integration rt??

OpenStudy (anonymous):

like find the curve and integrate from lowest to highest??

OpenStudy (michele_laino):

I got 31.8

OpenStudy (anonymous):

@Michele_Laino is my method wrong??

OpenStudy (anonymous):

so it would be none of them?

OpenStudy (michele_laino):

please, ou have to enclose the graph with appropriate retangles and then to add their area

OpenStudy (michele_laino):

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