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OpenStudy (anonymous):
A metal hollow bar whose cross section and dimension are shown below weighs 8x10^3 kg/m^3 and measure 2m in length ..determine the mass of the metal bar with the square hole section. 40cm -- square 60 cm -- hexagon
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OpenStudy (anonymous):
ganeshie8 (ganeshie8):
step 1 : calculate the area of hexagon
ganeshie8 (ganeshie8):
knw how to calculate the area of hexagon, when u knw its side ?
OpenStudy (anonymous):
i don't know how.
ganeshie8 (ganeshie8):
its easy, u need to break it into triangles.
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ganeshie8 (ganeshie8):
|dw:1393052705504:dw|
OpenStudy (anonymous):
|dw:1393052784328:dw|
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