What the original is multiplied by to create a scaled copy
Scale factor
The original is 10 inch. scaled copy is 2 inches, find the scale factor.
x1/5 or 0.2
Ivan drew a scale drawing of his backyard at a scale of 1in : 3ft. If Ivan's deck is 48 feet wide in real life, what is the width of the deck in the drawing?
16 in
Trent measured an Italian restaurand and made a scale drawing with a scale of 1mm : 7 m. If the kitchen is 4mm in the drawing, how long is the actual kitchen?
28 meters
David made a scale drawing of a house. In real life, the garage is 10 meters long. It is 2 millimeters long in the drawing.
What is the scale of the drawing, 1mm : _________
5 meters
How do you find scale factor
New divided by original
Two legs of Triangle A are 3.5 & 4.25
Two legs of Triangle B are 14 & 17
What is the Scale Factor from Triangle A to Triangle B
4
Mitch was looking at a blueprint of West Lake that has a scale of 1 cm : 9 m. If the actual width of the building is 90 meters, what is the width of the school in the drawing?
10 centimeters
Phillip drew a to-scale floor plan of his house. If the scale he used was 1 in : 4ft, and he drew the driveway 3 inches wide, how wide is the driveway in real life?
12 feet
Anne made a scale drawing of a house and its lot. The backyard is 5 inches long in the drawing. The actual yard is 50 feet long.
What scale did Anne use for the drawing?
1in : _____________
10 feet
A copy of a figure where every length in the original figure is multiplied by the same number.
Scale Drawing or scale copy
Mr. A's Drawing of his house is drawn 12 inches tall. it is actually 18 feet tall. What is the scale factor? AKA 1 in = ? ft.
1 in = 1.5 feet
Duncan measured his pool and made a scale drawing. The scale of the drawing was 8 inches : 3 feet. If the actual length of the pool is 63 feet, how long is the pool in the drawing?
168 inches
Clayton drew a scale drawing of a neighborhood park at a scale of 3 centimeters : 8 meters. In the drawing, the volleyball court is 12 centimeters long. What is the length of the actual volleyball court?
32 meters
Tommy measured a county park and made a scale drawing. The picnic area, which is 86 yards wide in real life, is 43 inches wide in the drawing.
What scale did Tommy use? 1in : ____________
2 yards
All scaled drawings have these 2 things in order to be a scaled copy.
-All sides have the same scale factor/scale.
-All corresponding angles are the same size.
In SS. a map has a two cities 4 inches apart. you know they are 320 miles apart. Find the map's distance scale.
1 in = 80 miles
A Flagpole is 30 ft tall. Using the scale 3 in : 5 ft, draw a flagpole and label it's height.
18 inches tall
A field is drawn to be 7 inches long in a scaled drawing.
They used a scale of 2in = 46 feet.
How long is the actual field?
161 feet
2 ft : 24,901 mi
What is the point of a scale on a scale drawing?
Allows you to convert measurements on the paper into real-life sizes.
Find X.

12
A swimming pool company is designing a pool that will be 25 meters long. If the construction drawing uses a scale of 1 = 50, what will the pool’s length be on the drawing?
0.5m
A landscape designer is working with a scale of 1 to 4 to plan a walking path. If the path is shown as 16cm on the design, how long will the actual path be?
64cm
A blueprint shows a room that is 8 centimeters long. The actual room is 28 feet long.
What is the scale of the blueprint?
1cm=3.5ft