Question

The length of a side of a rhombus is 6.5 cm and its altitude is 10cm if the length of its one diagonal is 26 cm ,then the length of other diagonal is

Answer 1

the formula of rhombus =1/2×d1×d2

Answer 2

area of diagonal(a parallelogram) =base*height
and also diagonal 1* diagonal 2
so this implies
6.5*10=26*diagonal 2
thus diagonal 2=6.5*10/26=65/26=5/2=2.5cm