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Pre-calculus - Finding the missing sides of a 45-45-90 triangle using special relationships

Brian McLogan Pre-calculus - Finding the missing sides of a 45-45-90 triangle using special relationships Posted: March 13, 2026 | Last updated: March 13, 2026 Learn about the special right triangles.
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Learn how to use interior angle sum theorem for triangles to determine the missing angle

👉 Learn how to find the missing side of a triangle. A triangle is a polygon with three sides. Triangles are classified on the basis of the angles or on the basis of the sides. The classification of a ...