Alan, Bobby and Chris are comparing their ages. The ratio of Alan's age to
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Use the Pythagorean Theorem. a = b = 5 so
5^2 + 5^2 = c^2
25 + 25 = c^2
50 = c^2
c = 5
= 7.071
5^2 + 5^2 = c^2
25 + 25 = c^2
50 = c^2
c = 5