40 — C
ONSTRUCTION
M
ASTER
®
P
RO
/ T
RIG
/ D
ESKTOP
(Cont’d)
KEYSTROKE DISPLAY
4. Find the Arc Angle:
a ARC 142.15°
5. Find the Arc Length:
a ARC 4 FEET 7-1/16 INCH
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
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