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20-10-2017
Mathematics

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If a square mirror has a 30-inch diagonal, what is the area of the mirror, in inches

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Аноним Аноним

20-10-2017

You can find the length of a side by using the Pythagoras theorem
Let x be length of each side then:-
2x^2 = 30^2
x^2 = 900/2 = 450
area = length of one side squared:-
area = x^2 = 450 ins^2 <---- Answer

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