lesson
Proving the Triangle Proportionality Theorem
Construct a proof of the Triangle Proportionality Theorem using similar triangles and deductive reasoning.
Updated 1 month ago · 3 views
Premium Lesson
This lesson is part of a track
Public learning track
Proportions and the Triangle Proportionality Theorem
7 lessons
Goal
Set up proportions to solve problems with similar triangles, and prove and apply the Triangle Proportionality Theorem and its converse.
7 lessons
0 of 7 done
- Solving Problems with Similar TrianglesUp next
- Setting Up Proportions with Similar TrianglesNot started yet
- The Triangle Proportionality TheoremNot started yet
- Solving Problems with the Triangle Proportionality TheoremNot started yet
- Proving the Triangle Proportionality TheoremYou are here
- Converse of the Triangle Proportionality TheoremNot started yet
- Midsegment Theorem as a Special Case of ProportionalityNot started yet
Learning standards covered
111.41(b)(8)(A)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Gradeprove theorems about similar triangles, including the Triangle Proportionality theorem, and apply these theorems to solve problems; and
Open Global Standard:OGM.11.GEO.4
111.41(b)(1)(G)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Gradedisplay, explain, and justify mathematical ideas and arguments using precise mathematical language in written or oral communication.
Open Global Standard:OGM.11.GEO.1
OGM.11.GEO.4OGM.11.GEO.1