The symbols "🔺📐📏" represent angles in geometry. The triangle (🔺) signifies a three-sided polygon, often used to illustrate different types of angles. The protractor (📐) is a tool used to measure and draw angles accurately. The ruler (📏) represents a straight edge commonly used to construct and measure angles. Together, these symbols symbolize the concept of angles and the tools used to work with them in mathematics and geometry.