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प्रश्न
Each equal angle of an isosceles triangle is less than the third angle by 15°. Find the angles.
बेरीज
उत्तर
Let equal angles of the isosceles triangle be x each. Therefore, non-equal angle = x + 15°
Angles of a triangle = 180°
x + x + (x + 15°) = 180°
3x + 15° = 180°
3x = 165°
x = 55°
x + 15 = 70°
Angles are 55°, 55° and 70°.
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