Question

Q. If the diagonal of a square is 20 cm then its area is ? *

Answer 1

Answer:

200cm2

Step-by-step explanation:

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Answer 2

Answer:

the length of the diagonals of a square is = 20cm

we know that diagonals =√2

so a = diagonals/√2

and area of a square =a(square means power 2)

so, a =(diagonals/(√2))(square means power 2)

=(20)(square means power 2)/2

=400/2

=200

Step-by-step explanation:

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