Octagon PQRSTVWZ is a regular octagon with the center at point C. Which transformation will map octagon PQRSTVWZ onto itself?

rotation of any multiple of 360/8 = 45 degrees. Also, a reflection across any of its 8 lines of symmetry.

Reflecting over QV and RW

Octagon pqrstvwz is a regular octogon with its center at point c

A regular octagon has eight congruent sides and eight congruent angles. To map octagon PQRSTVWZ onto itself, we need a transformation that preserves these properties.

The transformations that preserve shapes are called isometries. There are four types of isometries: translations, reflections, rotations, and glide reflections.

1. Translation: A translation moves every point of the shape in a specific direction without changing its orientation or shape. However, a translation will not map an octagon onto itself unless the translation vector follows a specific pattern related to the angles and sides of the octagon. It's unlikely that a translation will map the given octagon onto itself.

2. Reflection: A reflection flips the shape over a line called the axis of reflection, creating a mirror image. In this case, we need a line of reflection that will map the octagon onto itself. Since the octagon is regular, we can draw a line passing through the center of the octagon, perpendicular to any two opposite sides. This line of reflection will map the octagon onto itself.

3. Rotation: A rotation turns the shape around a specific point called the center of rotation. A regular octagon has rotational symmetry of order 8, meaning it can be rotated by 45 degrees, 90 degrees, 135 degrees, and so on, up to a full 360-degree rotation. Any of these rotational transformations will map the octagon onto itself.

4. Glide Reflection: A glide reflection is a combination of a reflection and a translation. It involves reflecting the shape over a line and then translating it along the line of reflection. Glide reflections can preserve the shape of an octagon, but it may not maintain the same orientation as the original octagon. It's less likely that a glide reflection will map the given octagon onto itself.

In conclusion, the transformation that will map the octagon PQRSTVWZ onto itself is either a reflection over a line passing through the center of the octagon or a rotation around the center of the octagon by 45 degrees, 90 degrees, 135 degrees, or any multiple of 45 degrees.