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OpenStudy (anonymous):
What is the length of the diagonal of a square with the side of 5 feet?
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OpenStudy (mathmale):
Remember our friend Pythagoreas and his famous Phythagorean Theorem? Let's call on him for help. If you have a right triangle (that is, a triangle that has one 90 degree angle), and if a and b are the lengths of the shorter two sides, and if c is the longest side (better known as the "hypotenuse," then \[a^2+b^2=c^2\]
OpenStudy (mathmale):
if a = b = 5 ft, calculate c^2. Then calculate c.
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