This math topic focuses on identifying rotational symmetry in 2D shapes. The problems ask students to determine whether given shapes exhibit rotational symmetry by presenting a series of shapes and two possible answers: "Yes" to confirm the presence of symmetry or "No" to deny it. The subject is part of an advanced unit on geometry basics, highlighting practical applications and deeper understanding of geometric properties. Each question requires visual analysis of the shape provided in the image, making it interactive and engaging.