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— 28
length, perimeter and area of a pentagon-
shaped patio to be paved with bricks. The
radius is 7 feet 5 inches and the number of
sides is ve:
KEYSTROKE DISPLAY
1. Clear calculator:
o o 0.
2. Enter radius:
7 f 5 i c k
RAD 7 FEET 5 INCH
3. Enter polygon sides and calculate:
5 c l FULL 108.00°
l HALF 54.00°
l SIDE 8 FEET 8-5/8 INCH
l PER 43 FEET 7-1/8 INCH
l AREA 130.7868 SQ FEET
CONCRETE FOOTING
Find the number of cubic yards of concrete
required for a (16 inch x 8 inch) footing that
measures 232 feet 6 inches in length.
KEYSTROKE DISPLAY
1. Clear calculator:
o o 0.
2. Enter footing area:
8 i x 1 6 i = ; g
F-AR STORED 128. SQ INCH
3. Enter length to nd volume:
2 3 2 f 6 i g
FTG 7.654321 CU YD
Concrete Footings –
You are going to pour concrete for a 264
square inch footing being used for the
PRG4225E-E.indd 28 6/28/2016 1:03:10 PM
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