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Using the Pythagorean theorem to prove if a triangle has a right angle or not would require you do what first?

1.Find the altitude.

2.Measure all mid-points

3.Find the area

4.Find side lengths

User Rmiesen
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Answer: The correct answer is Choice 4.

The Pythagorean Theorem is about the relationships between the side lengths of a triangle.

When a triangle is a right triangle the sides are in the form of: a^2 + b^2 = c^2

If you want to determine if a triangle is a right triangle, just plug the values into this equation and see if it is true.

Therefore, you should first know the sides lengths.
User John Wells
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