Question

each diagonal of a square is 12 cm long. find area​

Answer 1

Answer:

Let the side be s

Then, by Pythagoras theorem

(Diagnol)² = s²+s²

(12)²=2s²

(12×12)÷2=s²

6×12=s²

72=s²

s²=Area of square

Therefore, Area=***72 cm²**

hope it helps..