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Unit 3B Study Guide Part 2 (STA): Exploring Ratios and Proportional Relationships
By Alexandra Jones
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Last updated over 1 year ago
7 questions
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Question 1
1.
Triangle 2 is a scale copy of triangle 1. Use the scale factor to solve for the missing side
x.
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Question 2
2.
Triangle ABC is similar to Triangle DEF. What is the perimeter of Triangle DEF?
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Question 3
3.
The area of Rectangle
ABCD
is 30 square feet. A similar Rectangle
PQRS
has an area of 120 square feet.
If Rectangle
ABCD
has a width of 5 feet and a length of 6 feet, what must be the length and width of Rectangle
PQRS
?
Width: 50 feet, Length: 70 feet
Width: 10 feet, Length: 12 feet
Width: 3 feet, Length: 40 feet
Width: 12 feet, Length: 10 feet
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Question 4
4.
Brittany has a blueprint of her bedroom that is 2 in by 3 inches.
What is the actual length?
_______
(just type in the number)
What is the actual width?
_______
(just type in the number)
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Question 5
5.
Abel is creating a scaled copy of the triangle below.
Select
ALL
the sets of values that could be the side lengths of the scaled copy.
8, 16, 24
12, 18, 36
1, 2, 3
15, 24, 36
6, 12, 18
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Question 6
6.
The triangles below are similar.
Are the two triangles similar and why or why not?
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Question 7
7.
The figures below are both similar rectangles. The larger rectangle is the scaled copy.
What is the scale factor? _______
What is the area of the original rectangle?
_______
What is the area of the scaled copy? _______
How many times bigger is the scaled copy?
_______
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