lesson
Computing Areas of Triangles Using Coordinates
Calculate the area of a triangle given the coordinates of its vertices.
Updated 1 month ago · 3 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 CoordinatesYou are here
- Finding the Area of a Triangle Using CoordinatesNot started yet
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)(D)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Gradecommunicate mathematical ideas, reasoning, and their implications using multiple representations, including symbols, diagrams, graphs, and language as appropriate;
Open Global Standard:OGM.11.GEO.1
OGM.11.GEO.6OGM.11.GEO.1