Unit 2, Lesson 14
Practice with Proportional Relationships (Optional)
Integrated Math 2
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\(\frac{BC}{A’D’}=\frac{B’C’}{AD}\)
Lines \(BC\) and \(DE\) are both vertical. What is the length of \(AD\)?
The quilt is made of squares with diagonals. Side length \(AB\) is 2.
Square A B C D composed of 16 triangles. Segments A C and B D drawn. Point H, midpoint of A B, Point G, midpoint of B C, Point F, midpoint of C D, Point E, midpoint of D A. Segments H F, G E, H E, H G, G F, and F E drawn.
Segment \(A’B’\) is parallel to segment \(AB\). What is the length of segment \(BB'\)?
Triangle A B C with point C to the right of side A B. Point B prime lies on side B C and point A prime lies on side A C. Line segment A prime B prime is drawn forming triangle A prime B prime C. A prime C is 6, A prime B prime is 5, B prime C is 7, A prime A is 3.
3.5
4
10
10.5
Elena thinks length \(BC\) is 16.5 units. Lin thinks the length of \(BC\) is 17.1 units. Do you agree with either of them? Explain or show your reasoning.
Line \(g\) is dilated with a center of dilation at \(A\). The image is line \(f\). Approximate the scale factor.