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Triangle Angle Sum Theorem | - Free Printable

Triangle Angle Sum Theorem |

Educational worksheet: Triangle Angle Sum Theorem |. Download and print for classroom or home learning activities.

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Show Answer Key & Explanations Step-by-step solution for: Triangle Angle Sum Theorem |
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1. The sum of the interior angles of a triangle is always 180°.
2. Set up the equation: (x - 10) + (2x + 5) + 35 = 180.
3. Combine like terms: x + 2x - 10 + 5 + 35 = 180 → 3x + 30 = 180.
4. Subtract 30 from both sides: 3x = 150.
5. Divide by 3: x = 50.
Parent Tip: Review the logic above to help your child master the concept of triangle angle sum theorem worksheet.
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