Which of these is the right angle?, Which one of these is NOT an acute angle?, An obtuse angle is less than 90°, True, False, Name the angle, Acute, Right angle, Obtuse, Straight angle, Name the angle, Acute, Right angle, Obtuse, Reflex, Which one of these is an obtuse angle?, Which one of these is a stright angle?, Name the angle, Straight angle, Obtuse, Right angle, Acute, An acute angle is less than 90º, True, False, Which triangle has a right angle?

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