Answer:
Validation
Step-by-step explanation: Validation is a term used to describe the processes involved when we compare a set of values and observations against a set standard or rules to ensure that they meet certain expectations or criteria.
Validation is meant to prove that something, a data set etc are acceptable based on known rules, the rules or standards which is used to evaluate what can be described as valid.
If we're trying to find the hypotenuse we'll take the

Getting 35.
35
Answer:
Look at the picture above
Hope this helps you
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I am 95% sure the answer is C