Calculated Industries 4065 v3.0 - Manual (Page 49)

48 — C ONSTRUCTION M ASTER ® P RO / T RIG / D ESKTOP
Arc Calculations — Arc Length and Diameter Known
Find the arc degree, chord length, segment rise, segment and pie
slice area, and segment rise, given a 5-foot diameter and an arc
length of 3 feet 3 inches:
KEYSTROKE DISPLAY
1. Enter circle diameter (Note: enter diameter into the C key):
o o 0.
5 f C DIA 5 FEET 0 INCH
2. Enter arc length:
3 f 3 i a ARC 3 FEET 3 INCH
3. Find degree of arc:
a ARC 74.48°
4. Find chord length:
a CORD 3 FEET 0-5/16 INCH
5. Find segment area:
a SEG 1.051381 SQ FEET
6. Find pie slice area:
a PIE 4.0625 SQ FEET
7. Find segment rise:
a RISE 0 FEET 6-1/8 INCH
4065UG-E-B 6/9/04 1:49 PM Page 48