Tag: pythagorean theorem

Geometry Tutorials

Distance and Midpoint Formula: Complete Guide with Examples

Master the distance formula d = √((x₂−x₁)²+(y₂−y₁)²) and midpoint M = ((x₁+x₂)/2, (y₁+y₂)/2). Full derivation, worked examples, and…

Geometry Tutorials

Geometric Sequence vs Series Formula: When to Use Which

Geometric sequence formula aₙ = a·rⁿ⁻¹ vs series Sₙ = a(1−rⁿ)/(1−r). When does the infinite sum converge? Worked…

Geometry Tutorials

Pythagorean Theorem: 10 Worked Examples From Easy to Hard

Ten Pythagorean theorem examples from basic right-triangle leg-finding to applied 3D distance and Pythagorean triples. Each with full…