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Regina's demonstration speech topic was "Three Ways to Improve Amateur Photography." In this speech,Regina showed a 35 mm camera,used a chart with an enlarged diagram of the main components of the camera,and then showed 4 × 6 photographs--some good and some with errors--to the audience.Which of the following statements best summarizes Regina's use of visual aids in this speech?
Radical
Refers to the root of a number, with the most common being the square root, though it can refer to cube roots or higher.
Square Root
A number which produces a specified quantity when multiplied by itself.
Square Root
The figure that, upon being multiplied with itself, results in the starting number.
Radial Approximation
A method or process used to estimate values or functions based on their radial distance from a central point.
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