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Key Concepts
- Problem Solving Strategy for Geometry Applications
- Read the problem and make sure you understand all the words and ideas. Draw the figure and label it with the given information.
- Identify what you are looking for.
- Name what you are looking for. Choose a variable to represent that quantity.
- Translate into an equation by writing the appropriate formula or model for the situation. Substitute in the given information.
- Solve the equation using good algebra techniques.
- Check the answer in the problem and make sure it makes sense.
- Answer the question with a complete sentence.
- Properties of Circles
- [latex]d=2r[/latex]
- Circumference: [latex]C=2\pi r[/latex] or [latex]C=\pi d[/latex]
- Area: [latex]A=\pi {r}^{2}[/latex]
Glossary
- irregular figure
- An irregular figure is a figure that is not a standard geometric shape. Its area cannot be calculated using any of the standard area formulas.
Candela Citations
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- Prealgebra. Provided by: OpenStax. License: CC BY: Attribution. License Terms: Download for free at http://cnx.org/contents/caa57dab-41c7-455e-bd6f-f443cda5519c@9.757