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Writing & Solving Equations Using Geometry Concepts

T.i.P.S.

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Students should use their knowledge from previous grade levels regarding angles. Students identify a geometric figure and relate to a formula and create an equation to represent a geometric relationship.

Example

Write an equation to solve for x. Then find the measure of angle A.

Triangle measuring 25 degrees and 5x


Hint
Possible Solution

Digital Tools

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Resources

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TEKS

Supporting Standard

7.11 Expressions, equations, and relationships. The student applies mathematical process standards to solve one-variable equations and inequalities. The student is expected to:

(C) write and solve equations using geometry concepts, including the sum of the angles in a triangle, and angle relationships

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