Answer:

Explanation:
Since the given triangle is a right-angled triangle, one angle will be equal to 90 degrees.
Statement:
- Interior angles of a triangle add up to 180 degrees.
Solution:
So,
x + 63 + 90 = 180
x + 153 = 180
- Subtract 153 from both sides
x = 180 - 153
x = 27°
![\rule[225]{225}{2}](https://img.qammunity.org/2024/formulas/mathematics/high-school/yk3l6bxs46equldxx0z8qla0zuvm8l328e.png)