freya-lee_60bfac3919345
freya-lee_60bfac3919345
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lato rombo = 280/4 = 70 h rombo = 4704/70 = 67,2 bk = rad/70^2-67,2^2) = 19,6 ak = 70-19,6 = 50,4 ac = rad(67,2^2+50,4^2) = 84 (diagonale min rombo) 2p = 67,2+50,4+84 = 201,6 area = 67,2*50,4/2 = 1693,44