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Home > GC > Chapter 7 > Lesson 7.1.3 > Problem 7-26

7-26.
  1. XYZ is reflected across , as shown at right. Homework Help ✎

    1. How can you justify that the points Y, Z, and Y′ all lie on a straight line?

    2. What is the relationship between ΔXYZ and ΔXY’Z ? Why?

    3. Read the Math Notes box for this lesson. Then make all the statements you can about the corresponding parts of these two triangles.

YZX = 90°

Remember that reflections do not change the size or shape of a figure.

Altogether, you should be able to make six statements.