Calculated Industries 4090 - Area of a Triangle; Volume of a Cylinder

POCKET REFERENCE GUIDE — 15
Circle Circumference and Area
Find the circumference and area of a
circle with a diameter of 25 inches:
KEYSTROKE DISPLAY
o o 0.
2 5 i C DIA 25
INCH
C CIRC 78-9/16 INCH
C AREA 490.8739 SQ INCH
Rectangular Area and Volume
Find the area and volume:
• Length: 20 feet 6-1/2 inches
• Width: 12 feet 8-1/2 inches
• Height: 18 inches
KEYSTROKE DISPLAY
2 0 f 6 i 1 / 2 x
20
FEET 6-1/2 INCH
1 2 f 8 i 1 / 2 =
261.0503
SQ FEET
x 1 8 i = 391.5755 CU FEET