lesson
Midsegment Theorem as a Special Case of Proportionality
Connect the Triangle Midsegment Theorem to the Triangle Proportionality Theorem as a special case with ratio 1:2.
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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
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- 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 TheoremNot started yet
- Converse of the Triangle Proportionality TheoremNot started yet
- Midsegment Theorem as a Special Case of ProportionalityYou are here
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)(6)(D)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Gradeverify theorems about the relationships in triangles, including proof of the Pythagorean Theorem, the sum of interior angles, base angles of isosceles triangles, midsegments, and medians, and apply these relationships to solve problems; and
Open Global Standard:OGM.11.GEO.4
111.41(b)(1)(F)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Gradeanalyze mathematical relationships to connect and communicate mathematical ideas; and
Open Global Standard:OGM.11.GEO.1
OGM.11.GEO.4OGM.11.GEO.1