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Geometry problems can also be modeled by using algebraic equations. Watch this video to see how a perimeter problem about a garden can be modeled and solved using equations.
Source: Khan Academy, https://www.khanacademy.org/math/algebra-home/alg-basic-eq-ineq/alg-linear-eq-word-probs/v/application-problems-with-equation-in-one-variable This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License.