private void printResult(EqualSideTriangle triangle) { if (triangle.isTriangle()) { LabelIsTriangle.Text = "Is triangle!"; labelSides.Text = "Side A: " + formatNumber(triangle.getSideA()) + " Side B: " + formatNumber(triangle.getSideB()) + " Side C: " + formatNumber(triangle.getSideC()); LabelSquarePerimeter.Text = "Perimeter: " + triangle.getPerimetr().ToString("0.00") + " Square: " + triangle.getSquare().ToString("0.00"); labelCos.Text = "Cos(AB,BC): " + formatNumber(triangle.getCosABBC()) + " Cos(BC,AC): " + formatNumber(triangle.getCosBCAC()) + " Cos(AC,AB): " + formatNumber(triangle.getCosACAB()); labelEqualTriangle.Text = triangle.isTriangle() ? "Is equal side triangle" : "Is not equal side triangle"; } else { LabelIsTriangle.Text = ""; labelSides.Text = ""; LabelSquarePerimeter.Text = ""; labelCos.Text = ""; labelEqualTriangle.Text = ""; LabelIsTriangle.Text = "Is not triangle!"; } }