Scaled Copies

Use the above applet to answer the following question.

Which of the four triangles on the bottom are scaled copies of triangle ABC? You can select more than one.

Triangle DEF Triangle MNO Triangle JKL Triangle GHI

FGHIJ is a scaled copy of ABCDE.

Name the segment in the scaled copy that corresponds to segment DE.

What is the scale factor from polygon ABCDE to polygon FGHIJ?

2 5 10 [math]\frac{1}{2}[/math]

See the instructions below.

Use the point tool and the segment tool to create a scaled copy of ABCD with a scale factor of 3.

What is the perimeter of the scaled copy? DO NOT INCLUDE UNITS.

A rectangle that is 3 inches by 9 inches is scaled by a factor of 5.

What are the side lengths of the scaled copy?

15 inches by 45 inches 3 inches by 9 inches [math]\frac{3}{5}[/math] inches by [math]\frac{9}{5}[/math] inches 9 inches by 18 inches

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Information: Scaled Copies