Unit 3A Retest Big Idea 2 - Scale Factor

Last updated about 1 year ago
6 questions
1
Caclulate the scale factor.

The scale factor is _______ .
1

Rectangle ABCD and Rectangle UVWX are similar. If Rectangle ABCD has a width of 8 feet and a length of 12 feet, what must be the length and width of the scaled copy Rectangle UVWX?


1

A photograph (scaled copy) of a postage stamp measures 8in. by 10 in. If the scale factor is 2, how many times larger than the stamp area will the area of the photo be?

1

Which of the triangles are scaled copies?

1

1
MarĂ­a wants to build a triangular sculpture, represented by triangle SCU. She wants to sketch a drawing to scale, so she can get feedback on the design before starting to build it, using a scale factor of 0.5 inches = 20 meters.



What is the length of side U'S' ?_______ meters
What is the length of side S'C'? _______ meters
What is the length of side U'C'?_______ meters