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प्रश्न
State, if the triangle is possible with the following angles :
20°, 70°, and 90°
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उत्तर
We know that the sum of three angles of a triangle is 180°, therefore
Sum of 20°, 70°, and 90°
= 20° + 70° + 90° = 180°
Since the sum is 180°. Hence it is possible.
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