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The length of diagonal of a square is $${15\sqrt { 2}}$$cm. Its area is
5Q:
The length of diagonal of a square is $${15\sqrt { 2}}$$cm. Its area is
- 1$$112.5 cm^2$$false
- 2$$450 cm^2$$false
- 3$${225\sqrt { 2}\over 2}cm^2$$false
- 4$$225 cm^2$$true
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