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Brainliest plz.

Answer:

They must fit in the Pythagorean Theorem and the result should be true.

Step-by-step explanation:

a² + b² = c²

Where c must be plugged in as the longest side and you can interchangeably plug in a and b.

Answer:

Sample Response: Square all side lengths. If the longest side length squared is equal to the sum of the squares of the other two side lengths, then it is a right triangle.

Step-by-step explanation:

right answer on edge 2020