36
—
S
HEET
M
ETAL
/HVAC
P
RO
C
ALC
Circumference of a Circle
Find the Circumference of a Circle if its Radius is 8 Feet 4 Inches:
KEYSTROKE
DISPLAY
o o
0.
8 f 4 i Ç p
RAD 8
FEET
4
INCH
C
DIA 16
FEET
8
INCH
C
CIRC 52
FEET
4-5/16
INCH
Circumference and Area of a Circle
Find the Area and Circumference of a Circle with a Diameter of 11
Inches:
KEYSTROKE
DISPLAY
o o
0.
1 1 i C
DIA 11
INCH
C
CIRC 34-9/16
INCH
C
AREA 95.03318
SQ INCH
Square Area (x
2
)
What is the Area of a Square room with sides measuring 7 Feet 4
Inches?
KEYSTROKE
DISPLAY
o o
0.
7 f 4 i X
53.77778
SQ FEET
Area of a Rectangle
What is the Area of a room measuring 12 Feet 6 Inches by 15 Feet
8 Inches?
KEYSTROKE
DISPLAY
o o
0.
1 2 f 6 i
12
FEET
6
INCH
x 1 5 f 8 i =
195.8333
SQ FEET
