Texas Instruments TI-83-Plus User Guide

TI-83 Plus GeoMaster™ Application Page 57
3. Select the two straight lines. True is displayed for
perpendicular lines; false is displayed for non-perpendicular
lines.
Tip
You cannot compare an object to itself, so you cannot select an
object more than one time.
Determining if Two Lines Are Parallel?
1. Draw two or more objects
.
2. Select
Parallel?
from the
MISC
menu.

Texas Instruments TI-83-Plus Specifications

General

Brand	Texas Instruments
Model	TI-83-Plus
Category	Calculator
Language	English