NY-4.G.2a
Identify and name triangles based on angle size (right, obtuse, acute).
Khan Academy Resources
1-on-1 AI tutoring aligned to NY-4.G.2a. Instant help for students, real-time insights for teachers.
Used in classrooms by 100,000+ students at Baltimore County, Plano ISD, Deer Valley USD, KIPP, and districts nationwide.
Free for teachers, forever →