Back to Understand that a two-dimensional figure is similar to another if the second can be obtained from the first by a sequence of rotations, reflections, and dilations — Problem 5 · Task Set 24
Exercises: Understand Similarity Through Sequences of Transformations
Work through each section in order. A dilation centered at the origin with scale factor maps to . The scale factor is the ratio of corresponding side lengths. Show your work where indicated.
Grade 8·21 problems·~35 min·Common Core Math - Grade 8·container·8-g-a-4
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Fluency Practice
Find scale factors, check proportionality, and describe transformation sequences. Show your work.
1.
Two similar triangles have corresponding sides in the ratio . A student must report the scale factor as a fully reduced fraction. What is the scale factor? Write it as a fraction.