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Roman55 [17]
3 years ago
10

WILL GIVE BRAINIEST

Mathematics
1 answer:
Margarita [4]3 years ago
8 0

Answer:

x = 135º

Step-by-step explanation:

Sum of angles in a triangle is 180

A = 180 - 66 - 69

A = 45º

--------------------

Supplementary angles  total 180

x = 180 - 45

x = 135º

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