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Pocket RefeRence Guide — 33
ARC AND CIRCLE fUNCTIoNS
With the Tradesman Calc, you can
easily solve Circle and Arc calculations.
Circumference and Area of a Circle
Find the Area and Circumference of a
circle with a Diameter of 11 Inches:
KeYsTrOKe disPlaY
OO
0.
11id
DIA 11.
inCh
d
AREA 95.0332
sQ inCh
d
(Circumference)
CIRC 34.5575
sQ inCh
Arc Calculation –
Radius and Angle Known
Find the Arc Length, Chord Length, Arc
Height and Area of a circle with a Radius
of 4 Inches and an Arc Angle of 180°:
KeYsTrOKe disPlaY
OO
0.
4gA
(Radius)
RAD 4.
inCh
180A
(Arc Angle)
ARC 180.°
A
(Arc Length)
ARC 12.5664
inCh
A
(Chord Length)
CORD 8.0000
inCh
A
(Arc Height)
HGHT 4.0000
inCh
A
(Radius)
RAD 4.
inCh
A
(Area)
AREA 25.1327
sQ inCh
(cont’d)
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