Calculated Industries Tradesman Calc 4400 - Polygon Dimensions and Area

Pocket RefeRence Guide — 31
(cont’d)
Find the Interior and Exterior Angles,
Side Length, Inner Diameter, Perimeter
and Area of an 8-sided Polygon with a
10-Inch Outer Diameter:
KeYsTrOKe disPlaY
OO
0.
1. Enter the Outer Diameter:
10 d
DIA 10. inCh
2. Enter the Number of Sides:
8H
SIDE 8.
3. Find the Interior Angle:
H
INT 135.0000 °
4. Find the Exterior Angle:
H
EXT 45.0000 °
5. Find the Side Length:
H
LNTH 3.8268 inCh
6. Show the Outside Diameter:
H
OD 10. inCh
7. Find the Inner Diameter:
H
ID 9.2388 inCh
8. Find the Perimeter:
H
PER 30.6147 inCh
9. Find the Area:
H
AREA 70.7107 sQ inCh