How does the Crimsora Geometry tutor work?

Crimsora teaches Geometry one concept at a time with a voice-first AI tutor, then reinforces it with practice and targeted review of your weak spots.

What does Geometry cover?

All 10 units across 40 lessons, aligned to the Common Core traditional pathway.

Can I try Geometry for free?

Yes — start a free trial lesson with no signup. You only create an account once you finish your first concept and want to save your progress.

Geometry

Master Geometry across all 10 units with a voice-first AI tutor: proofs, congruence, similarity, right-triangle trigonometry, circles, and verified practice for every skill.

40 lessons · 10 Course units · Unit 1 free

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Unit 1Free

Points, Lines & Planes
GEOM-1.1
Segment Measure, Distance & Midpoint
GEOM-1.2
Angles & Angle Measure
GEOM-1.3
Angle Pair Relationships
GEOM-1.4

Unit 2

Inductive & Deductive Reasoning
GEOM-2.1
Conditional Statements, Converses & Counterexamples
GEOM-2.2
Algebraic Properties & Two-Column Proofs
GEOM-2.3

Unit 3

Parallel Lines & Transversals
GEOM-3.1
Proving Lines Parallel
GEOM-3.2
Slopes & Equations of Parallel and Perpendicular Lines
GEOM-3.3

Unit 4

Translations in the Coordinate Plane
GEOM-4.1
Reflections
GEOM-4.2
Rotations
GEOM-4.3
Compositions of Rigid Motions & Symmetry
GEOM-4.4
Congruence in Terms of Rigid Motions
GEOM-4.5

Unit 5

Triangle Angle Sum & Exterior Angles
GEOM-5.1
Triangle Congruence: SSS, SAS, ASA & AAS
GEOM-5.2
Congruence Proofs with CPCTC
GEOM-5.3
Isosceles & Equilateral Triangles
GEOM-5.4
Midsegments, Bisectors & Triangle Inequalities
GEOM-5.5

Unit 6

Dilations & Scale Factor
GEOM-6.1
Similar Polygons
GEOM-6.2
Triangle Similarity: AA, SSS & SAS
GEOM-6.3
Side-Splitter & Proportionality Theorems
GEOM-6.4

Unit 7

The Pythagorean Theorem & Its Converse
GEOM-7.1
Special Right Triangles: 45-45-90 & 30-60-90
GEOM-7.2
Trigonometric Ratios: Sine, Cosine & Tangent
GEOM-7.3
Solving Right Triangles & Angles of Elevation
GEOM-7.4

Unit 8

Polygon Interior & Exterior Angle Sums
GEOM-8.1
Parallelograms & Their Properties
GEOM-8.2
Rectangles, Rhombuses & Squares
GEOM-8.3
Trapezoids & Kites
GEOM-8.4

Unit 9

Circles: Radii, Chords & Arcs
GEOM-9.1
Central & Inscribed Angles
GEOM-9.2
Tangents, Secants & Angle Measures
GEOM-9.3
Equations of Circles in the Coordinate Plane
GEOM-9.4

Unit 10

Area: Triangles, Quadrilaterals & Regular Polygons
GEOM-10.1
Circumference, Arc Length & Sector Area
GEOM-10.2
Surface Area & Volume: Prisms & Cylinders
GEOM-10.3
Volume: Pyramids, Cones & Spheres
GEOM-10.4

Frequently asked questions

How does the Crimsora Geometry tutor work?: Crimsora teaches Geometry one concept at a time with a voice-first AI tutor, then reinforces it with practice and targeted review of your weak spots.
What does Geometry cover?: All 10 units across 40 lessons, aligned to the Common Core traditional pathway.
Can I try Geometry for free?: Yes — start a free trial lesson with no signup. You only create an account once you finish your first concept and want to save your progress.

Ready to start Geometry?

Try a full concept free — no signup until you want to save your progress.

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