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Mathematics 23 Online
OpenStudy (anonymous):

please help???

OpenStudy (anonymous):

OpenStudy (souvik):

each of the triangle has an area=1/2*1.7*4.8 cm^2 and the square has an area=1.7*1.7 cm^2

OpenStudy (anonymous):

so is 19.21?

OpenStudy (anonymous):

can you help with these two also please?

OpenStudy (souvik):

yes its 19.21

OpenStudy (anonymous):

alright thank you

OpenStudy (souvik):

in the 2nd pic...surface area = pi*r*l+pi*r^2

OpenStudy (anonymous):

so 20.29?

OpenStudy (souvik):

yes...pic 3 is the same

OpenStudy (anonymous):

got it! thank you!

OpenStudy (souvik):

you are welcome:)

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