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If x is a right angle, what is true for x?(a) x = 90°(b) 180° < x < 360°(c) 0° < x < 90°(d) 90° < x < 180°The question was posed to me in examination.My enquiry is from Lines and Angles Definitions and Basic Terms topic in chapter Lines and Angles of Mathematics – Class 9

Answer»

Correct OPTION is (a) x = 90°

To elaborate: A right ANGLE is exactly EQUAL to 90°. It is shown in the diagram below in which ∠POQ is the right angle whose VALUE is equal to 90°.



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