Question

give me answer correctly ​

Answer 1

Step-by-step explanation:

given

the side of square=10cm

so

diagonal of a square =✓2* side

✓2*10=10✓2

hence the diagonal of square is 10√2

i hope it will be helpful

Answer 2

The diagonal divides the square into 2 right angled triangles.

Now, applying Pythagoras theorem:

10^2 + 10^2 = 100 + 100 = root over 200 = 10 root 2 cm.

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