In a rhombus ABCD, if BC = 8.5 cm, then AB = ?
7.5 cm
17 cm
4.25 cm
8.5 cm
Draw the quadrilateral ABCD with AB = 8.5 cm, BC = 4.5 cm, CD = 5 cm, DA = 6 cm, BD = 7.5 cm. Compute its area by drawing a triangle of equal area.