SOLUTION: what is the length of one of its diagonal? a square lot has a side 25m long .

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Question 781735: what is the length of one of its diagonal? a square lot has a side 25m long .
Answer by fcabanski(1391) About Me  (Show Source):
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The diagonal of a square is the hypotenuse of a right triangle with legs that are two sides of the square.


a^2 + b^2 = c^2 is the Pythagorean Theorem, which relates the length of the legs of a right triangle (a and b) to the length of the hypotenuse (c).


25^2 + 25^2 = c^2


2*25^2 = c^2


25%2Asqrt%282%29+=+sqrt%28c%5E2%29+=+c+=+35m. 35 is the answer rounded to a whole number.