Geometry.3.A.3 - The Scaling Principle for Area – Exit Ticket
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Last updated almost 3 years ago
4 Questions
In the following figure, AE and BD are segments.
10
1.
△ABC and △CDE are similar. How do we know this?
10
2.
What is the scale factor of the similarity transformation that takes △ABC and △
CDE ?
10
3.
What is the value of the ratio of the area of △ABC to the area of △CDE ? Explain
how you know.
10
4.
If the area of △ABC is 30 cm2, what is the area of △CDE ?
From EngageNY.org of the New York State Education Department. Grade Geometry Mathematics Module 1, Topic A, Lesson 3. Internet. Available from https://www.engageny.org/resource/geometry-module-...; accessed 14/Apr/2016.