(S) Unit 3B Test-Part 2 Scale Factor Reteach (S)

Last updated about 1 year ago
7 questions
1

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

1

Triangle PQR is similar to Triangle XYZ. What is the perimeter of Triangle XYZ?

1
The area of Rectangle ABCD is 30 square feet. A similar Rectangle WXYZ has an area of 480 square feet. If Rectangle ABCD has a width of 5 feet and a length of 6 feet.


What must be the length of Rectangle WXYZ? _______ (just type in the number)
What must be the width of Rectangle WXYZ? _______ (just type in the number)
1
A home decorator is adding new flooring to a living room using the blueprint below.


What is the actual length of the living room? _______ (just type in the number)
What is the width of the living room? _______ (just type in the number)
1

Jeff is creating a scaled copy of the triangle below.


Select ALL the sets of values that could be the side lengths of Triangle Z.

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 smaller rectangle? _______ (just type in the number)
What is the area of the larger rectangle? _______ (just type in the number)
How many times larger is the scaled copy? _______ (just type in the number)