Question

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Answer 1

Answer:

Step-by-step explanation:

(a)  27 degrees:  complementary angle is (90 - 27) degrees, or 63 degrees; recall that complementary angles add up to 90 degrees.  

(b)  Since supplementary angles add up to 180 degrees, we subtract 105 degrees from 180 degrees, obtaining the supplementary angle 75 degrees.  There's no complementary angle here, because 105 degrees is greater than 90 degrees.

(c) complementary angle is (90 - 18) degrees, or 72 degrees; supplementary angle is (180 - 18) degrees, or 162 degrees.

Answer 2

Answer:

1. not possible, 2. a. 65 b. 115  c.115

Step-by-step explanation:

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vertical angles post.

corresponding angles thm.