An angle that measures exactly 90° is called:, acute, right, obtuse, If a window opens and forms an angle of 45°, what is the measure of the other angle formed between the window and the wall?, 135°, 90°, 45°, A triangle has two angles measuring 50° and 60°. What is the measure of the third angle?, 70°, 80°, 90°, Which of the following is true about a straight angle?, It measures less than 90°, It measures 180°, It measures more than 180°, A fan is fully open forming an obtuse angle. Which of the following actions would reduce the angle to a right angle?, Close it halfway, Keep it fully open, Open it more.

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