Heron's formula

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Problems1 / 7

• ● 0094 — Almost Equilateral Triangles
• ○ 0283 — Integer Sided Triangles with Integral Area/perimeter Ratio
• ○ 0390 — Triangles with Non Rational Sides and Integral Area
• ○ 0471 — Triangle Inscribed in Ellipse
• ○ 0482 — The Incenter of a Triangle
• ○ 0583 — Heron Envelopes
• ○ 0966 — Triangle Circle Intersection