Find the area of the quadrilateralABCD in which the side AB = 3cm, the diagonal AC = 4cm, AB is perpendicular to AC and the triangle ADC is equilateral. Also find its perimeter.
Find the area of the quadrilateralABCD in which the side AB = 3cm, the diagonal AC = 4cm, AB is perpendicular to AC and the triangle ADC is equilateral. Also find its perimeter.