Question

(8.G.A.1) Which of the following statements is true about the angles and side lengths in a figure when the figure is reflected over a horizontal line?

(10 Points)

Only the angles remain the same

Only the side lengths remain the same

Both the angles and side lengths remain the same

Both the angles and side lengths change

Answer 1

When a figure is reflected over a horizontal line, both the angles and side lengths remain the same. Reflection is a type of rigid transformation, which preserves distances and angles.

So, the correct statement is:

**Both the angles and side lengths remain the same.**