Question

find the area of rhombus whose side is 40 cm

Answer 1

s×s is side of rhombus

Answer 2

 formulae of ar of rhombus is 1/2 * D1 * D2.
length of D1 and D2 are equal 
then find the D1 and D2 and use the formulae to find out the area of rhmbus 

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