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Math worksheet for calculating missing angles in triangles using the angle sum property.

Worksheet titled "Finding the Angle Sum of a Triangle" with six triangles, each showing two angles and a missing angle to calculate, with example solution provided for the first triangle.

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Show Answer Key & Explanations Step-by-step solution for: Angle Sum of a Triangle - 6th Grade Math Worksheet | Made By Teachers

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b) 180° - 60° - 45° = 75°
x = 75°

c) 180° - 90° - 45° = 45°
x = 45°

d) 180° - 30° - 60° = 90°
x = 90°

e) 180° - 30° - 20° = 130°
x = 130°

f) 180° - 90° - 30° = 60°
x = 60°

Parent Tip: Review the logic above to help your child master the concept of triangles missing angles worksheet.

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