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3-2: Angles

3-2: Angles. Unit 3: Geometry English Casbarro. Notice that just like segments, if you are dealing with values for the angles, you use =, but if you are dealing with the angles themselves, you use. This is exactly like the segment addition postulate,

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3-2: Angles

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  1. 3-2: Angles Unit 3: Geometry English Casbarro

  2. Notice that just like segments, if you are dealing with values for the angles, you use =, but if you are dealing with the angles themselves, you use .

  3. This is exactly like the segment addition postulate, and you will use it just like you used that postulate.

  4. Turn in the following problems • Light passes through a fiber optic cable and reflects in such • a way that and are complementary and • and are complementary. If m = 38°, find the other • angle measures. 2. H is in the interior of JAK. m JAH = (3x – 8)°, and m KAH= (x + 2)°. Draw a picture of each relationship. Then find the measure of each angle. a. JAH and KAH are complementary angles. b. form a linear pair. c. are congruent angles. 3. The ratio of two complementary angles is 1:2. What is the measure of the larger angle? (Hint: Let x and 2x be the angle measures). a. 30° b. 45° c. 60° d. 120° 4. The ratio of two supplementary angles is 7:5. What is the measure of the smaller angle? a. 37.5 ° b. 52.5° c. 75° d. 105°

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