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IM Geometry Unit 3 Lesson 3 Cool Down

Triangle P'Q'R' is a dilation of triangle PQR using center C and a scale factor of 1.5.
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1.

Is triangle P'Q'R' larger or smaller than triangle PQR? Explain how you know.

2.

What is the length of ? Explain how you know.

IM G Unit 3 Lesson 3 from IM Geometry by Illustrative Mathematics, https://im.kendallhunt.com/HS/students/2/3/3/index.html. Licensed under the Creative Commons Attribution 4.0 license, https://creativecommons.org/licenses/by/4.0/.