ICSE BoardEnglish MediumSTD 7MATHSTriangles2 Marks
Question
State, if the triangle is possible with the following angles : 40°, 130°, and 20°
✓
Answer
We know that the sum of three angles of a triangle is 180°, therefore Sum of 40°, 130°, and 20° = 40° + 130° + 20° = 190° Since the sum is not 180°, therefore it is not possible.
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