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Calculated Industries 4065 v3.1 User Guide User Manual

Page 48

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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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