Respuesta :

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Answer/Step-by-step explanation:

[13] is a complementary { Has a 90° angle (Box in corner)}

x = 55 ( 55-20 = 35) [55+35=90]

Answer:

12) Complementary- X=15

13) Complimentary- X=55

14) Supplementary- X=31

Step-by-step explanation:

When it's complimentary, you set it equal to 90. When its supplementary, you set it equal to 180.

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