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miv72 [106K]
4 years ago
5

The value of x is i really need help with this​

Mathematics
2 answers:
Mashcka [7]4 years ago
8 0

Answer:

x = 3

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

45x is an exterior angle of the triangle, hence

45x = 25x + 57 + x

45x = 26x + 57 ( subtract 26x from both sides )

19x = 57 ( divide both sides by 19 )

x = 3

marin [14]4 years ago
5 0
X=3 that’s the answer
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