TI-89 / TI-92 Plus / Voyage™ 200 PLT Cabri Geometry App  23 
 
The 
Vector Sum
 tool in the 
Construction
 menu creates a resultant 
vector that is the sum of two selected vectors.  
1. 
Create two vectors as shown in this 
example. 
2. 
Press 
†
 and select 
7:Vector Sum
. 
 
3. 
Move the pointer and select the first 
vector. 
 
 
 
 
Select the first vector.
 
 
4. 
Move the pointer and select the 
second vector. 
Select the second vector. 
 
5. 
Select the initial point for the 
resultant vector then press 
¸
. 
Select a tail point for the 
vector sum. 
 
 
Creating Lines, Segments, Rays, and Vectors 
(continued)
 
Creating a Resultant 
Vector 
Note:
 The selected vectors 
do not have to share a 
common endpoint (tail) and 
may also be previously 
defined vector sums.