Question

Mia uses the formula πr2 to find the area of a circle. What is πr2 an example of?.

Answer 1

πr2 is an example of a (D) model.

What exactly is a model?

• A mathematical model is a system description that makes use of mathematical concepts and language.
• The process of developing a mathematical model is known as mathematical modeling.
• Natural sciences (physics, biology, earth science, chemistry), engineering disciplines (computer science, electrical engineering), and non-physical structures such as the social sciences all use mathematical models (such as economics, psychology, sociology, and political science).
• The use of statistical equations to solve problems in business or military operations is a large part of the field of operations research.
• Mathematical models are used in music, linguistics, and philosophy (for example, intensively in analytic philosophy).
• A model is, for example, the πr2 method for calculating the area of a circle.

Therefore, πr2 is an example of a (D) model.

Know more about models here:

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The complete question is given below:

Mia uses the formula πr2 to find the area of a circle. What is πr2 an example of?

A. a robot

B. a car

C. a telescope

D. a model