TRIANGLE AREA

Here we present a program to compute the area of a triangle using the coordinates of it’s vertices A, B and C. Program for TI-83 calculator

By Jonathan L. Moscovici

Using material from
Kimberling, C. “Triangle Centers and Central Triangles.” Congr. Numer. 129, 1-295, 1998.

ClrHome
Disp “Area Of A Triangle“

Input “A:X:“ , A
Input “A:Y:” , B
Input “B:X:“ , C
Input “B:Y:“ , D
Input “C:X:“ , E
Input “C:Y:“ , F

( √( (C – A)2 + (D – B)2 ) ) → H
( √( (E – C)2 + (F – D)2 ) ) → I
( √( (E – A)2 + (F – B)2 ) ) → G

( (G + H + I) / (2) ) → S
( √( (S) * (S – G) * (S – H) * (S – I) ) ) → J

Disp “AREA:“ , J
Pause
Ċ
ilia kassianenko,
May 16, 2015, 3:27 PM
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