2 Answers

Danijels · Answer 1 · 2022-09-28T05:52:39+0000

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

Jonathon Jones · Answer 2 · 2022-10-02T15:11:47+0000

Answer:

51 degrees

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

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