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Diagonal of a square is 18√2 cm. What is the area of this square?

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Diagonal of a square is 18√2 cm. What is the area of this square? 
1. 324 cm2
2. 324√2 cm2
3. 72 cm2
4. 234 cm2
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Correct Answer - Option 1 : 324 cm2

Given:

Diagonal of a square = 18√2 cm

Formula Used:

Area of square = (Diagonal)2/2

Calculation:

Area of square = (18√2 cm) 2/2

Area of square = 324 cm2

The correct option is 1 i.e. 324 cm2

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