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MrRa [10]
3 years ago
15

Triangle Theorems Quiz

Mathematics
1 answer:
aksik [14]3 years ago
7 0

Answer:

4 is your answer

Step-by-step explanation:

in triangle

60+70+13x-2=180 sum of interior angle of the triangle is 180

128+13x=180

13x=180-128

x=52/13=4

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