Calculated Industries Construction Master 5 - Circle and Arc Calculations; Circle Area and Circumference; Arc Angle or Degree

POCKET REFERENCE GUIDE — 24
Circle Area and Circumference
Find the Area and Circumference of a
Circle with a Diameter of 25 Inches:
KEYSTROKE DISPLAY
o o 0.
2 5 i C DIA 25 INCH
C AREA 490.8739 SQ INCH
C CIRC 78-9/16 INCH
Arc Angle or Degree
Find the Arc Angle (or Degree of Arc),
given a 5-Foot Diameter and an Arc
Length of 3 Feet 3 Inches:
KEYSTROKE DISPLAY
1. Enter Circle Diameter and Arc Length:
o o 0.
5 f C DIA 5 FEET 0 INCH
3 f 3 i 3 FEET 3 INCH
2. Find Degree of Arc:
Ç C ARC 74.48°
Dgm-ARC-102