АВ= 28 см. АС:СВ=4:3Найти АС и СВ.
AC=4xCB=3x4x+3x=28x=4AC=4*4=16CB=4*3=12
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AC=4x
CB=3x
4x+3x=28
x=4
AC=4*4=16
CB=4*3=12