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Mathematics 21 Online
OpenStudy (anonymous):

i want to make a cone shaped party hats with a height of 20 cm and a radius of 6cm. how much cardboard will each hat need?

OpenStudy (anonymous):

|dw:1355197783190:dw| drawing a picture first always helps

OpenStudy (anonymous):

i did that already thoe, my brain is just dead :( pls help...it my last assignment

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