Circle/Arc Calculations

Circular Area and Volume Tutorial Video

Circle/Arc values can be solved by entering any two of the following values: Arc Length/Angle, Diameter/Radius, Chord Length (Run), and Segment Rise (Rise).

It is recommended that you clear the calculator (press [Clear] twice) after calculating right-triangle solutions prior to beginning an Arc or Circle solution.

Related functions:

Examples:

1. Find the area and circumference of a circle with a diameter of 11 inches.

Keystroke Display
[Clear] [Clear] 0.
11 [Inch] [Circ] Diameter
11 INCH
[Circ] Area
95.03318
SQUARE INCH
[Circ] Circumference
34 9/16 INCH


2. Find the arc length and radius of a circle with a 3 Feet 6 Inches chord length and a 1 Foot 3 Inches segment rise.

Keystroke Display
[Clear] [Clear] 0.
3 [Feet] 6 [inch] [Run] Run
3 FEET - 6 INCH
1 [Feet] 3 [Inch] [Rise] Rise
1 FEET - 3 INCH
[Conv] [Arc] (Radius) Radius
1 FEET - 10 3/16 INCH
[Arc] Arc Angle
142.15°
[Arc] Arc Length
4 FEET - 7 1/16 INCH


3. Find the arc degree, chord length, segment rise, segment and pie slice area given a 5-foot diameter and an arc length of 3 Feet 3 Inches.



Keystroke Display
[Clear] [Clear] 0.
5 [Feet] [Circ] Diameter
5 FEET - 0 INCH
3 [Feet] 3 [Inch] [Arc] Arc Length
3 FEET - 3 INCH
[Arc] Arc Angle
74.48°
[Arc] Chord Length
3 FEET - 0 5/16 INCH
[Arc] Segment Area
1.051381 SQUARE FEET
[Arc] Pie Slice Area
4.0625 SQUARE FEET
[Arc] Rise
0 FEET - 6 1/8 INCH


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