Gujarat BoardEnglish MediumSTD 9MathsLines And Angles1 Mark
Question
The supplement of a right angle is _______ .
✓
Answer
We have to find the supplement of a right angle. We know that a right angle is equal to $90^\circ $. Let the required angle be $x^\circ .$ Since the two angles are supplementary, therefore their sum must be equal to $180^\circ $. Thus, the require angle becomes $x = (180 - 90)^\circ x = 90^\circ $
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