High School · Similarity, Right Triangles, and Trigonometry

CCSS.MATH.CONTENT.HSG.SRT.A.1b

The dilation of a line segment is longer or shorter in the ratio given by the scale factor.

Read this standard on the official Common Core site

Lessons that teach this standard

• Properties of Dilations: Parallel Lines and Scaled Lengths

  How to dilate from any center, why a dilation sends a line to a parallel line and leaves lines through the center in place, and why every length scales by k.