Area of rhombus= 1/2( product of diagonals) 84=1/2(12*d2)
84=6*d2
d2=84/6
=14cm
The diagonals of a rhombus are 7.5 cm and 12 cm.Find its area.
Perimeter of a rhombus is 146cm and one diagonal is 55cm. Find the other diagonal and area of a rhombus.