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Answer :

Euclid91go

Answer:

51 degrees

Step-by-step explanation:

the sum of all angles in a right triangle is 180 degrees.

we know two of the three angles

90

39

therefore we take

180 - 90 - 39 = 51

Kumatorago
The sum of all angles in a triangle is 180 degrees, add all the angles in the picture (which is 129) and then have 180 subtract by that (180-129) which is 51

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