Is it a scaled copy?
Corresponding Parts
Scale Factor
Scaling, Area, Maps, OH my
100
What is a scale copy?
A copy of a figure where every length in the original figure is multiplied by the same numbers
100
When part of an original figure matches up with part of a copy
Corresponding Parts
100
the number we multiply the original figure by to get the scale copy
scale factor
100
How do you find the area of square or rectangle?
lw
length x width
bh
base x height
200
Is this a scale copy?
Yes this is because all sides are multiplied by a scale factor of 3
200
PS-KF
KR-GS
FR-GP
Angle G- Angle R
Angle S-Angle K
Angle F- Angle P
200
How do you find the area of a triangle?
1/2 bh
1/2 b x h
300
Is this a scale copy?
Yes
300
Name two corresponding parts
Varies
300
What is the scale factor of the two figures?
300
A scale drawing of a rectangular park is 7 inches wide by 9 inches long. The actual park is 2,520 yards long. What is the area of the actual park in square yards?
280 sq. yards
400
Rectangle L measures 12 inches by 9 inches. Rectangle M is a scaled copy of Rectangle L. What could be one measurement pairs that could be the dimensions of Rectangle B.
4 inches; 3 inches
24 inches; 18 inches
36 inches; 27 inches
400
The corresponding part to BA is
FE
400
What is the scale factor of the two figures?
400
A map scale states that 5 cm represents 10 km. What is distance on the map (in centimeters) represents an actual distance of 4 km?
2 cm
500
The length of the corresponding part to CD is
12 units
500
What is the scale factor of these two scale copies? The smaller figure is the scale copy of the larger figure.
1.5
500
The scale on the first map is 1 cm to 10 km. The distance from Cincinnati to Athens on the map is 40 cm.
The scale on the second map is 1 cm to 50 km.
What is the distance from Cincinnati to Athens on the second map? Explain your reasoning.
8 cm