Download free 90-day trial versions of the most popular TI software and handheld emulators.
Check out TI Rover activities that put math, science and coding in motion.
Customize your summit experience with sessions on math, STEM, coding and more.
February 18, 2015
Students represent a triangle with a matrix and use the determinant to find the area of three given triangles.
Students will find the area of a right triangle using a matrix and verify the formula using A = 0.5bh.
Students will practice using the matrix formula by finding the area of two non-right triangles using matrices.
In the extension, students are asked to find the vertex of a triangle given the other two vertices and the area.
© Copyright 1995-2018 Texas Instruments Incorporated. All rights reserved.