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प्रश्न
If opposite angles of a rhombus are (2x)° and (3x - 40)° then value of x is ______.
विकल्प
100°
80°
160°
40°
उत्तर
If opposite angles of a rhombus are (2x)° and (3x - 40)° then value of x is 40°.
Explanation:
A rhombus is also a parallelogram so, the opposite angles will be congruent.
Thus, (2x)° = (3x - 40)°
3x - 2x = 40°
x = 40°
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