Calculated Industries 4400 - Manual (Page 32)

P
ocket
R
efeRence
G
uide
— 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