Talking about triangle in Rationals, Irrationals, and Radicals: a squared + b squared = c squared. If a = 3, and b = 3, find EXACT LENGTH OF c IN UNSIMPLIFIED RADICAL FORM. Would it be: 18 = c squared?

yes, c^2 = 18, but the problem asks for c, not c squared, so

c = sqrt(18) = 3sqrt(2)

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