Question 50

Name the type of an angle whose measure is the difference of complete angle and the angle which is 5 times of half of a right angle.

Half of a right angle is $$45^\circ$$, and 5 times this is $$225^\circ$$. A complete angle is $$360^\circ$$, so the required angle is $$360^\circ - 225^\circ = 135^\circ$$. An angle between $$90^\circ$$ and $$180^\circ$$ is obtuse.

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