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tatiyna
3 years ago
12

No links please answer quickly

Mathematics
1 answer:
-BARSIC- [3]3 years ago
7 0

as given in the diagram this is equalatral triangle where all the side and angle are same

the sum of the three angle in a triangle is always 180 degrees

as in this triangle all of the angles are the same its

5x+5x+5x= 180\\15x=180\\x= 12

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