SAT

Maths · Geometry & Trigonometry

Unit 4 of the SAT Maths build

Lock down SAT Geometry & Trig fundamentals

Seven core topics covering angle pairs, triangles and similarity, the Pythagorean theorem, circles, right-triangle trig (SOH-CAH-TOA), volumes and surface areas of common solids, and coordinate geometry. Each topic has a concept refresher, two worked examples, and an eight-question test.

Core topics

Topic 1

Lines & angles

Vertical · supplementary · complementary · parallel-line cuts

Topic 2

Triangles & similarity

Angle sum · similar triangles · 30-60-90 · 45-45-90

Topic 3

Pythagoras & distance

a² + b² = c² · distance formula · Pythagorean triples

Topic 4

Circles

Circumference · area · arcs · sectors · circle equation

Topic 5

Right-triangle trig

sin · cos · tan · SOH-CAH-TOA · inverse trig

Topic 6

Volume & surface area

Prism · cylinder · cone · sphere · cube

Topic 7

Coordinate geometry

Slope · midpoint · distance · circle equations

How to work through this. Read the concept, walk through both worked examples, then hit Take a test to lock in the idea with 8 MCQs. When you've worked through several topics, head back to the parent SAT Maths page to take a cross-topic test or revise with flashcards.