For Class 7 Mathematics, explain or solve a angle sum property of triangle question from the chapter "Triangles and Its Properties". Focus on exam recap and show the working clearly.
Step-by-step solution path
Read the topic idea: Angle Sum Property of Triangle.
Recall the core explanation from the chapter: Properties of triangles, angle sum, exterior angles and Pythagoras theorem.
Use the related formula "Angle sum in triangle" as the main tool while solving.
Write the reasoning in simple school-level language before the final answer.
Final learning answer
This example is centred on Angle Sum Property of Triangle. A strong solution should identify the correct data, apply Angle sum in triangle, and explain each transition instead of jumping directly to the answer.
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