2 years ago

What is the value of this variable ?

Mathematics

1 answer:

Rus_ich [418]2 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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