Acute Angles of a Right Triangle

Interact with the applet below for a minute or two.[br]Then answer the questions that follow. [br](Feel free to move the triangle's BIG WHITE VERTICES anywhere you'd like.)
1.
What is the sum of the measures of the 2 acute angles of any right triangle?
2.
Given your response to (1) above, what adjective can you use to describe the relationship between these 2 acute angles?
3.
Explain how/why this fact is an immediate result of the [url=https://www.geogebra.org/m/FAhtKpR5]theorem you previously saw here[/url] (or [url=https://www.geogebra.org/m/ByH6f6Ak]here[/url].)
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Information: Acute Angles of a Right Triangle