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Pythagorean Theorem - Either Missing Length - Labelled Sides (Radical) (Level 2)

This math topic focuses on the Pythagorean Theorem, specifically finding either of the missing side lengths (labelled as a, b, or c) of a right triangle. The problems require expressing the missing side's length as a square root value. It covers a variety of problem scenarios centered around understanding and applying the theorem \(a^2 + b^2 = c^2\) to compute the length of a side when the other sides are given. Each question is designed to enhance proficiency in solving equations involving radicals in the context of geometry. The practice level is introductory, as it aims at building foundational skills in using the Pythagorean Theorem.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

Either Missing Length - Labelled Sides (Radical)

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


Find the length of the missing side as a square root value, based on the Pythagorean theorem: a² + b² = c²

c = ?b = 9a = 5