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ÀÛ¼ºÀÚ Uploader : rainman ÀÛ¼ºÀÏ Upload Date: 2018-01-24º¯°æÀÏ Update Date: 2018-01-24Á¶È¸¼ö View : 812

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S = (1/2)*a*h

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h = (a^2 - a^2/4)^(1/2) = (3/4)^(1/2)*a
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S = (1/2)*a*(3/4)^(1/2)*a = (1/4)*(3)^(1/2)*a^2

a^2 = (4*S)/(3^(1/2))



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