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प्रश्न
Using the figure, answer the following questions
(i) What is the measure of angle x°?
(ii) What is the measure of angle y°?
उत्तर
From the figure x° and 125° are vertically opposite angles.
So they are equal
ie x° = 125°
Also y° and 125° are linear pair of angles.
∴ y° + 125° = 180°
y° + 125° – 125° = 180° − 125°
y° = 55°
x° = 125°,
y° = 55°
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