Unit 3B Study Guide Part 2 (STA): Exploring Ratios and Proportional Relationships

Last updated about 1 year ago
7 questions
1

Triangle 2 is a scale copy of triangle 1. Use the scale factor to solve for the missing side x.

1

Triangle ABC is similar to Triangle DEF. What is the perimeter of Triangle DEF?

1

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?

1
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)
1

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.

1

The triangles below are similar.


Are the two triangles similar and why or why not?

1
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? _______