Scale Drawings
Scale Factor
Similar Figures
Indirect Measurement
Spiral Review
100
What is the actual width of the garage if the width in the scale drawing is 3 centimeters?
3.75 meters
100
If the scale factor is _________ than 1, the new image will be enlarged.
GREATER
100
What are the 3 things you should look for when determining if figures are similar figures or not?
1. Are they the same shape?
2. Are their corresponding sides proportional?
3. Are their corresponding angles congruent?
100
Amanda is 5.5 ft tall and she casts a shadow of 2.75 ft. She is standing next to the basketball hoop that is 10 ft high. How much of a shadow will it cast?
5 ft
100
Give the unit rate:
400 miles in 8 hours
50 miles per hour
200
The blueprint of a pool has a scale of 2 inches : 9 feet. The scale drawing is shown below. What is the actual length of the pool?
90 feet
200
What is the scale factor?
3/5 or 0.6
200
Name the corresponding SIDES and ANGLES. Use the correct notation!
SIDES:
AB & DE, BC & EF, AC & DF
ANGLES:
<A=<D, <B=<E, <C=<F
200
A person that is 6 ft tall that casts a shadow of 4 ft is standing next to a tree that casts a shadow of 12 ft. How tall is the tree?
18 ft
200
Solve the equation.
m/4 - 12 = 20
m = 128
300
A map has a scale of 3 cm : 18 km. If Riverside and Smithville are 9 cm apart on the map, then how far apart are they in real life?
54 km
300
What is the scale factor?
3/2 or 1.5
300
The triangles shown are similar. What is the value of x?
12 ft
300
Find the height of the pole.
22 ft
300
A package of 5 pairs of gloves costs $29.45. What is the cost for 12 pairs of gloves?
$70.68
400
A model house has a scale of 1 in : 2 ft. If the real house is 26 ft wide and 32 ft long, then what is the area of the model house?
208 in2
400
At the museum, Melanie sat down to draw a dinosaur exhibit to scale. The height of the dinosaur in the drawing is 3.75 inches and the actual height of the exhibit is 15 feet. What scale factor did Melanie use to sketch the dinosaur?
1 in/4 ft
or
1 in = 4 ft
400
Are these figures similar?
No
400
27 ft
400
Write an inequality.
Becky needs to work at least 15 hours.
b ≥ 15
500
The blueprint of a pool has a scale of 2 inches : 7 feet. How much would it cost to buy a cover for the pool that costs $0.30 per square foot?
$735.00
500
Henry painted a picture of his house on canvas. The actual width of the driveway is 20 feet. If it is represented with a width of 4 inches on the canvas, what was the scale factor used?
1 in/5 ft
or
1 in = 5 ft
500
The triangles shown are similar. Find the missing length.
45
500
Find the distance across Lake Okeechobee.
21 miles
500
Write and graph the inequalities.
The temperature in Minnesota was at most -1 degrees.
t ≤ -1
