On 02/19/2016 03:56 PM, Lisa wrote:
Can you please help me and explain how to create a program, which would find area of triangle and its perimeter?
It's great to have student questions on this forum. If you don't mind telling us, which teacher and school teaches or uses D? The only one that I know of is Professor Chuck Allison at Utah Valley University.
Assuming that you are given the lengths of the three sides, you can calculate the area with Heron's formula. I had used that method in this otherwise unrelated chapter:
http://ddili.org/ders/d.en/invariant.html Ali