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Classe GeoGebra

IM 7.1.1 Practice: What are Scaled Copies?

Auteur :GeoGebra Classroom Activities, IM 6 - 8 Math

Here is a figure that looks like the letter A, along with several other figures. Which figures are scaled copies of the original A?

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A
Figure 1
B
Figure 2
C
Figure 3
D
Figure 4

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Explain how you know.

Tyler says that Figure B is a scaled copy of Figure A because all of the peaks are half as tall. Do you agree with Tyler? Explain your reasoning.

Here is a picture of the Rose Bowl Stadium in Pasadena, CA.

Here are some copies of the picture. Select all the pictures that are scaled copies of the original picture.

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A
A
B
B
C
C
D
D

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Complete each equation with a number that makes it true.

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