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प्रश्न
In the given figure, find the value of x.
उत्तर
We know that, the sum of all three angles in a triangle is equal to 180°.
So, x + 55° + 90° = 180°
⇒ x + 145° = 180°
⇒ x = 180° – 145°
⇒ x = 35°
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