Question

what is the area of a square with diagonal 6cm

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Answer 1

Answer:

root of 3√2

Step-by-step explanation:

Use Pythagoras theorem

Diagonal^2=Sum of the squares of two sides of the square

36=a^2+a^2

=2a^2

18 =a^2

3√2=a^2

a=root of 3√2