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(11C) Triangle Solution: Given 3 Sides
01-27-2018, 01:50 AM (This post was last modified: 01-27-2018 11:11 AM by Gamo.)
Post: #1
(11C) Triangle Solution: Given 3 Sides
Triangle Solution with 3 sides given.
Find the angle opposite from the first starting side.

Example:
Sides Angles
a:15 A:20.9093
b:35 B:56.3816
c:41 C:102.7090

Start from side a: 15 ENTER 35 ENTER 41 [f A] > 20.9093
Start from side b: 35 ENTER 41 ENTER 15 [f A] > 56.3816
Start from side c: 41 ENTER 15 ENTER 35 [f A] > 102.7090

Angles A + B + C = 180

Program:
Code:

LBL A
ENTER
x^2
Roll Up
x^2
-
Roll Up
x^2
+
X<>Y
÷
X<>Y
÷
2
÷
COS^-1
RTN

Gamo


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