TI-83 Plus GeoMaster™ Application Page 40
Finding an Angle Measurement
Use the
Angle
tool to find the angle measurement of an angle
created by selecting any three points. The angle measured is the
angle that is inside the three points.
1. Select
Angle
from the
MEAS
menu.
2. Select the three points that make up the angle. (The points
must be selected in this order: point, vertex, point.) The
angle measurement is displayed.
The GeoMaster™ application denotes an angle measurement by
placing a
after the value (e.g., 47
).
3. Use the arrow keys to move the measurement value to any
location on the screen, and then press
¯
.
Neither intersecting lines nor intersecting line segments have
points to select that make up an angle.
To create points so that you can calculate angle measurements:
-
Use the Point on Object tool (DRAW menu) to place
exterior points on the lines for the angle, if ncecssary.
-
Use the Intersection tool (DRAW menu) to place a point
where the lines intersect.
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