Calculated Industries 44060 - Manual (Page 53)

User's Guide — 51
Arched Windows
Find the radius of an arched window with a chord length of 2 feet
7 inches and a rise of 10-1/2 inches. Then, find the arc angle, arc
length and segment area of the window.
Keystroke Display
1. Enter chord length:
[On/C] [On/C]
0.
2 [Feet] 7 [Inch] [Run]
RUN 2 FEET 7 INCH
2. Enter rise:
10 [Inch] 1 [/] 2 [Rise]
RISE 10-1/2 INCH
3. Find radius:
[Conv] [Diag]
RAD 16-11/16 INCH
4. Find arc angle:
[Conv] [Circ] ARC 136.46°
5. Find arc length:
[Circ] ARC 39-3/4 INCH
6. Find segment area:
[Circ] [Circ] [Circ] [Circ] SEG 235.7767 SQ INCH
Rise=10-1/2”
Run=2’7”