lesson
Finding the Area of a Triangle Using Coordinates
Apply coordinate methods to find triangle areas in various orientations.
Updated 1 month ago · 4 views
Premium Lesson
This lesson is part of a track
Public learning track
Coordinate Proofs for Polygons
4 lessons
Goal
Use coordinate geometry to prove that quadrilaterals are parallelograms or rectangles, and compute areas of triangles from vertex coordinates.
4 lessons
0 of 4 done
- Proving a Quadrilateral Is a Parallelogram Using CoordinatesUp next
- Proving a Quadrilateral Is a Rectangle Using CoordinatesNot started yet
- Computing Areas of Triangles Using CoordinatesNot started yet
- Finding the Area of a Triangle Using CoordinatesYou are here
Learning standards covered
111.41(b)(2)(B)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Gradederive and use the distance, slope, and midpoint formulas to verify geometric relationships, including congruence of segments and parallelism or perpendicularity of pairs of lines; and
Open Global Standard:OGM.11.GEO.6
111.41(b)(1)(B)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Gradeuse a problem-solving model that incorporates analyzing given information, formulating a plan or strategy, determining a solution, justifying the solution, and evaluating the problem-solving process and the reasonableness of the solution;
Open Global Standard:OGM.11.GEO.1
OGM.11.GEO.6OGM.11.GEO.1