Finding The Area Of A Circular Disc, Polygon, Rectangle Or Triangle; Finding The Perimeter Of A Circular Disc, Polygon, Rectangle Or Triangle - Texas Instruments TI-NSPIRE Software Manual

Finding the area of a circular disc, polygon, rectangle or
triangle
1. From the Measurement menu, select the Area tool (
2. On the work area, click or press
3. To anchor the value on the work area, click or press
The measurement remains visible and close to the object even if you
change the size of the object. If you alter an object, the measurement
updates to reflect the new area value.
Finding the perimeter of a circular disc, polygon, rectangle
or triangle
1. From the Measurement menu, select the Length tool (
2. On the work area, click or press
3. To anchor the perimeter value on the work area, click or press
142
Polygon moved on
work area. Note
the distance value
reflects new
distance.
to select the object.
Enter
The area of the circle and
the polygon are shown in
this example.
to select the object.
Enter
Using Graphs & Geometry
).
.
Enter
).
Enter
.