# Scale Factor and Similar Figures

## Quiz by Meghan

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12 questions
• Q1
What is the measure of angle P?
49 degrees
64 degrees
67 degrees
134 degrees
120s
• Q2
What is the measure of side AC?
38 in
22.5 in
45 in
11.25 in
120s
• Q3
What is the perimeter of triangle ABC?
129 inches squares
258 inches squared
64.5 inches squared
87.5 inches squared
120s
• Q4
What is the measure of angle R?
135 degrees
125 degrees
55 degrees
97.5 degrees
120s
• Q5
What is the measurement of angle S?
55 degrees
125 degrees
125 degrees
97.5 degrees
120s
• Q6
What is the length of side BC?
13 cm
26 cm
15 cm
3.75 cm
120s
• Q7
Are the two rectangles similar?
Yes, the two rectangles are similar because the scale factor relating them is 7/3.
No, the rectangles are not similar because they do not have a common scale factor.
120s
• Q8
Judy lies on the ground 45 feet from her tent. Both the top of the tent and the top of a tall cliff are in her line of sight. Her tent is 10 feet tall. About how high is the cliff? Assume the two triangles in the diagram are similar.
88 feet
50 feet
98 feet
40 ft
120s
• Q9
What is the length of the missing side length in this picture? (Second part of the base of the large triangle.)
24 cm
30 cm
48 cm
36 cm
120s
• Q10
What is the value of x in the picture?
12 cm
90 cm
10 cm
3 cm
120s
• Q11
What is the value of a in the diagram of the two triangles?
12 cm
11.75 cm
19 cm
16 cm
120s
• Q12
What is the length of side b in the picture of the two triangles?
9.5 cm
9 cm
4 cm
16 cm
120s

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