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Stolb23 [73]
3 years ago
15

I need help I don't understand

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
3 0

Answer:

x = 142

Step-by-step explanation:

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

x = 90+52

x = 142

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