Dear student, Area of rhombus= 1/2 x d1 x d2
so 1/2 x 16 x d2 = 240
8 x d2 = 240
d2= 240/8 = 30 cm
so the other diagonal = 30 cm.
Regards.
Perimeter of a rhombus is 146cm and one diagonal is 55cm. Find the other diagonal and area of a rhombus.