Geometry Solver: AI Help

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About this app

Geometry solver with proofs. Photograph a geometry problem to get the answer, the theorem behind it and a proof you can hand in.

GEOMETRY PROOFS
This geometry solver writes two-column proofs with statements and reasons, or paragraph proofs. Every reason cites a named theorem or definition, since a step without justification earns no marks regardless of being true.

CIRCLE THEOREMS
All the standard results: angle at the centre, angles in the same segment, the angle in a semicircle, cyclic quadrilaterals, tangent-radius perpendicularity and the alternate segment theorem.

WHAT THIS GEOMETRY SOLVER COVERS
• Triangle congruence and similarity
• Pythagoras and its converse
• Parallel lines and angle relationships
• Polygon interior and exterior angles
• Area, perimeter and composite figures
• Surface area and volume of solids
• Sine and cosine rules
• Coordinate geometry and transformations

READS YOUR DIAGRAM
Tick marks for equal sides, arcs for equal angles, the square for right angles — notation that often carries information appearing nowhere in the written question.
Scan a geometry problem for the theorem, the working and a written proof
Updated on
Jul 3, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
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  • No data collected
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