Supplementary Document

POCKET REFERENCE GUIDE — 20
Converting D:M:S
Convert 23° 42’ 39” to decimal degrees:
KEYSTROKE DISPLAY
o o 0.
2 3 • 4 2 • 3 9 DMS 23.42.39
Ç •
(dms deg) 23.71°
Drywall
(NOT AVAILABLE ON TRIG MODEL #4080)
Find the number of 4 x 8, 4 x 9 and 4 x 12
sheets needed to cover an area of 125
Square Feet:
KEYSTROKE DISPLAY
o o 0.
1 2 5 f f 125
SQ FEET
Ç h (Drywall) 4X8 3.90625
h 4X9 3.472222
h 4X12 2.604167
Polygon — Brick Paving
Find the Full Angle, Bi-sect Angle, Side
Length, Perimeter and Area of a Polygon
for paving a brick patio. The radius is 7
Feet 5 Inches and the number of sides is
five: