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natka813 [3]
3 years ago
12

What is the value of this variable ?

Mathematics
1 answer:
Rus_ich [418]3 years ago
6 0

Answer:

z =  \frac{1}{2}  \times 60 \degree \\ z = 30 \degree \\ y = 100\degree + z \\ y = (100 + 30)\degree \\ y = 130\degree

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