Similar Figures and Scale Factor!
9 months ago
johnson7math
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• Question 1
30 seconds
Q. Two objects that are the same shape but not the same size are _______.
Congruent
Vertical
Similar
Complementary
• Question 2
30 seconds
Q. All angles in similar figures are congruent.
True
False
• Question 3
300 seconds
Q. The pair of figures is similar. Find the missing side.
x = 12
x = 3
x = 40
x = 4
• Question 4
180 seconds
Q. Find missing side
5
7
9
11
• Question 5
180 seconds
Q. Find y.
144
18
72
12
• Question 6
120 seconds
Q. Using a proportion, find the height of the tree.
x = 0.0625 ft.
16 ft
x = 16 ft.
• Question 7
180 seconds
Q. Tell whether the two figures are similar. Explain your reasoning. (Hint: are they proportional?)
Yes, similar because they are the same shape and side lengths are proportional.
No, not similar because they are the same shape, but side lengths are not proportional.
Yes, same shape
No, different sizes
• Question 8
900 seconds
Q. On a map, the distance between two towns in 2.6 cm. The scale of the map is 1 cm:50 km. What is the actual distance between the two towns?
100 km
130 km
70 km
150 km
• Question 9
120 seconds
Q. The scale drawing car length is 3 cm. If the scale is 1 cm:4 ft, what is the actual car length?
12 feet
16 feet
10 feet
4 feet
• Question 10
120 seconds
Q. A blueprint was using a scale of 3cm=4.5m. Find the actual length if it is 5cm on the drawing.
7.5
13.5
1.5
1.7
• Question 11
300 seconds
Q. Scale: 1in.=7ft. The actual width of the backyard is 49 ft, how wide is it in the drawing?
14 in
7 in
42 in
56 in
• Question 12
45 seconds
Q. If the scale factor is less than one, the new figure will be
an enlargement
a reduction
a scale factor
bigger
• Question 13
45 seconds
Q. If the scale factor is greater than one, the new figure will be
a reduction
an enlargement
a scale
not proportional
• Question 14
45 seconds
Q. What is the scale factor from ΔDEF to ΔABC?
1/2
7/3
2
10/3
• Question 15
60 seconds
Q. Robbie made a scale drawing of a neighborhood park. A soccer field in the park is 14 inches long in the drawing. The actual field is 98 yards long. What is the scale of the drawing?1 inch = _ yards
1372
5
14
7
• Question 16
120 seconds
Q. Which triangle is similar to the above triangle ?
A
B
C
D
• Question 17
120 seconds
Q. Scale is 1cm = 8km. Hatboro and Smithville are 24cm apart on the map, what is the actual distance between the 2 cities?
87 km
216 km
33 km
192 km
• Question 18
120 seconds
Q.

A scale drawing that measures 8 units wide and an original that measures 4 units wide has a scale factor of...

2

1/2

4

1/4

• Question 19
60 seconds
Q.

Find the scale factor of the enlargement from C to A

2

1/2

3

1/3

• Question 20
60 seconds
Q.

Find the scale factor of the enlargement from X to Y