
Heading into high school geometry without a roadmap?
Starts Wed, Jun 10
11:00 PM UTC · 1h
4 sessions

Abigail
3.9
Identify and solve for unknown angles using vertical, alternate interior, alternate exterior, and corresponding angle relationships formed by parallel lines and transversals
Apply the five triangle congruence postulates (SSS, SAS, ASA, AAS, HL) and use CPCTC to justify steps in geometric proofs
Determine triangle similarity using AA, SSS, and SAS similarity theorems, then set up and solve proportions to find missing side lengths
Calculate missing sides in 45-45-90 and 30-60-90 special right triangles using their specific side ratios
Use the Pythagorean Theorem and its converse to solve for missing sides and classify triangles as right, acute, or obtuse
Apply sine, cosine, and tangent ratios to find unknown side lengths and angle measures in right triangles
Calculate distance, midpoint, and slope on the coordinate plane and analyze parallel and perpendicular line relationships
Explore circle properties — including chords, tangents, secants, circumference, and area — and apply circle theorems to solve problems

A dedicated educator with a strong background in applied mathematics, Abigail Gragg combines her analytical skills with a deep commitment to student success. Abigail excels at simplifying complex concepts for diverse learners. Her commitment to applied mathematics and computer science ensures that students receive personalized, results-oriented instruction.
Heading into high school geometry without a roadmap? This course changes that. Jump Start to High School Geometry gives students a thorough, confidence-building preview of the core concepts they'll encounter all year — from angle relationships and triangle congruence to the Pythagorean Theorem, special right triangles, trigonometry, and circle theorems. Students work through real problems, not just definitions, so they actually practice setting up proportions, applying congruence postulates, and using sine, cosine, and tangent before the school year even starts. Whether you're brand new to these ideas or looking to shore up shaky foundations, this course meets you where you are and moves you forward. Walk into your first day of geometry already knowing the vocabulary, the rules, and — most importantly — how to use them.
Live Q&A
Cameras / mics optional
Recordings
Available within 1 hour, kept 90 days
Materials
No special materials required
free with a Varsity Tutors membership
03
DAYS13
HRS42
MINWed, Jun 10 • 11:00pm UTC
Starts in 3 days
Wed, Jun 17 • 10:30pm UTC
Starts in 10 days
Tue, Jun 30 • 4:00pm UTC
Starts in 23 days
Mon, Jul 13 • 6:00pm UTC
Starts in 36 days
Wed, Jul 29 • 10:00pm UTC
Starts in 52 days
Jump Start to High School Geometry