This math topic focuses on applying the Pythagorean theorem to solve for the lengths of sides in a right triangle when given decimal values. Students are required to solve equations where they must rearrange the Pythagorean formula (\(a^2 + b^2 = c^2\)) to isolate and calculate the unknown side, labeled as either 'a' or 'b'. The problems require substituting given values for two sides and computing the missing side using square roots, reinforcing foundational skills in algebraic manipulation, square roots, and spatial understanding in the context of geometry.
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Approximate the value of 'a' in this equation