The Total solution for NCERT class 6-12
Area of theparallelogram ABCD= AB × DL⇒ 1470 cm2 =35 cm × DL⇒ 1470/35 DL∴ DL = 42 cmArea of the parallelogram ABCD = AD × BM1470 cm2 = 49 cm × BM⇒ 1470/49 = 30 cm∴ BM = 30 cmHence, BM = 30 cm and DL = 42 cm