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Geometry
Geometry rewards careful thinking. We teach students to see the picture, reason through a proof one statement at a time and use a compass and straightedge the way the ancient Greeks did.
Mathematics
Geometry
- Rate
- $40 to $80 per hour
- How sessions work
- OnlineIn person
The exact rate depends on the level and the arrangement.
What we cover
- Points, lines, angles and parallel lines
- Writing two-column and paragraph proofs
- Congruent and similar triangles
- Right triangles and the Pythagorean theorem
- Circles, arcs and inscribed angles
- Area, surface area and volume
- Coordinate geometry and transformations
- Constructions with compass and straightedge
Who it is for
Middle and high school students taking Geometry or Honors Geometry, and anyone who finds proofs frustrating.
What students walk away with
- A step by step method for writing proofs
- Strong spatial reasoning
- The right triangle skills that Trigonometry depends on
How sessions work
Every session is one hour, one-on-one, and follows your class, your homework and your goals. We review what is coming up, work through it together and leave you with practice that sticks.
- Online anywhere in the U.S.
- In person in Minneapolis by arrangement
Your instructor
Ariel Ngongo
Founder and lead tutor
Professional engineer with a B.S. in Mechanical Engineering and more than six years of engineering experience.
Related courses
Algebra 1
Equations, functions and the habits that carry you through every math class after this one.
View courseAlgebra 2
Quadratics, exponentials, logarithms and the tools you need for Precalculus and beyond.
View courseTrigonometry
Angles, the unit circle and the functions that describe waves, rotation and sound.
View course
Ready to build your mathematical confidence?
Every great achievement begins with a strong foundation.
Whether you want better grades, a strong score on an exam or a deeper understanding of math, we are ready to help you take the next step.
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