Math Problem Statement

Identify the smallest angle of rotation that maps the image to itself.

Solution

The image provided shows a geometric figure, and the question asks to "Identify the smallest angle of rotation that maps the image to itself." The possible options are:

  • 360°
  • 90°
  • No rotational symmetry
  • 180°

Looking at the figure, it resembles a shape with bilateral symmetry, which suggests it has rotational symmetry at 180°. This means that if you rotate the shape by 180°, it will map onto itself. Therefore, the correct answer is 180°.

Would you like more details on rotational symmetry or help with other related concepts?

Here are 5 related questions for practice:

  1. What is the definition of rotational symmetry in geometry?
  2. Can a shape have more than one angle of rotational symmetry?
  3. What is the smallest angle of rotation that will map a square onto itself?
  4. How would you determine the rotational symmetry of a polygon?
  5. Is the angle of rotational symmetry always less than or equal to 360°?

Tip: To find rotational symmetry, imagine rotating the shape around its center and see when it matches its original position before completing a full 360° rotation.

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Math Problem Analysis

Mathematical Concepts

Geometry
Rotational Symmetry

Formulas

-

Theorems

Rotational Symmetry Theorem

Suitable Grade Level

Grades 6-8