1,000 100 10
1
00
1,0
0
1
00
decimal point to the left.
Examples:Example:■
1 hectometer = 1 hm = 100 metersChange 520 grams to kilograms.
1
■
1 millimeter = 1 mm =
1,0
00
meter = .001 meter
Step 1: Be aware that changing meters to kilome-
■
1 dekagram = 1 dkg = 10 gramsters is going from small units to larger units, and
■
1 centiliter = 1 cL* =
1
thus, you will move the decimal point three places
00
liter = .01 literto the left.■
1 kilogram = 1 kg = 1,000 grams
■
1 deciliter = 1 dL* =
1
Step 2: Beginning at the UNIT (for grams), you
0
liter = .1 liter*Notice that liter is abbreviated with a capital letter—“L.”
need to move three prefixes to the left.k h dk unit d c m
–
M E A S U R E M E N T A N D G E O M E T R Y
–
G e o m e t r y
Step 3: Move the decimal point from the end of 520 to the left three places. 520.As previously defined, geometry is the study of shapesand the relationships among them. Basic concepts inPlace the decimal point before the 5. .520geometry will be detailed and applied in this section. TheYour answer is 520 grams = .520 kilograms.study of geometry always begins with a look at basicvocabulary and concepts. Therefore, here is a list of def-initions of important terms:You are packing your bicycle for a trip from
area—the space inside a two-dimensional figureNew York City to Detroit. The rack on the backof your bike can hold 20 kilograms. If you
bisect—cut in two equal partscircumference—the distance around a circleexceed that limit, you must buy stabilizers forthe rack that cost $2.80 each. Each stabilizer can
diameter—a line segment that goes directly throughhold an additional kilogram. If you want to packthe center of a circle—the longest line you candraw in a circle
