Find the area of a quadrilateral ABCD in which AB = 3 cm, BC = 4 cm, CD = 4 cm, DA = 5 cm and AC = 5 cm. (a) 15 cm 2 (b) 15.4 cm 2 (c) 15.2 cm 2 (d) none of these
if 4 kurdish selected 6 dieferent kurdish and 3 english from 6 different english how many ways seven books .1)english and kurdish alternate