y У.
63°
49°
Х
a)
Write down the value of angle x.
b)
Write down the value of angle y.
![y У 63 49 Х a Write down the value of angle x b Write down the value of angle y class=](https://us-static.z-dn.net/files/d14/a071b59745fd4471e8a6123bbf613a38.png)