Question

The area of a rhombus is 40 cm². If the length of
one diagonal is 10 cm, find the length of the other
diagonal.​

Answer 1

Answer:

Area of rhombus = pq/2

             (where p and q are diagonals)

 here considering unknown diagonal as x

 40= 10x/2

  40 = 5x

   x = 8

Answer 2

Step-by-step explanation:

ar - D1 * D2 /2

so now D2 will be 40 * 2 / 10 -- 8cm Ans..