Find Triangle Area

This program calculates the area of a triangle, given any combination of three sides or angles. Depending on the combo of values, this program uses one of these formulas to calculate the answer: right triangle, equilateral triangle, side-angle-side (SAS), side-side-side (SSS) (Heron’s Formula).

Triangle-Area Program Walkthrough #1:

  1. Triangle Area Screenshot 1

    Input any combination of three side or angle measures. Enter zero for unknown values. In this trial, the three sides are known.

  2. Triangle Area Screenshot 2

    The area of the described triangle is calculated and displayed using one of seven formulas.

Triangle-Area Program Walkthrough #2:

  1. Triangle Area Screenshot 3

    Input any combination of three side or angle measures. Enter zero for unknown values. In this trial, two sides and one angle are known.

  2. Triangle Area Screenshot 4

    The area of the described triangle is calculated and displayed using one of seven formulas.

Download Triangle-Area Program »

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2 Responses to “Find Triangle Area”

  1. jeremiah Says:

    how do i get the programs on my TI-84 plus with out using a cable?

  2. Troy Diller Says:

    How do we transfer the Triar.8Xp onto the calculator

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