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The Pythagorean theorem is actually the law of cos, where the angle is 90.

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โˆ™ 2012-03-12 16:01:47
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Q: Why can't the Pythagorean theorem be used without a right angle?
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Related questions

When does the Pythagorean theorem apply?

With right angle triangles


What is the only type of triangle the Pythagorean Theorem can be used on without being given any other measurements besides the sides?

Simply because the Pythagorean Theorem is not true for any triangle that doesn't have a right angle in it. If a triangle has a right angle in it, then it satisfies the Theorem. If it hasn't, then it doesn't. And if it satisfies the Theorem, then it has a right angle in it, and if it doesn't, then it hasn't.


When can the pythagorean theorem be used?

With any right angle triangle


What shape does the pythagorean theorem apply to?

A right angle triangle.


What is the difference between the pythagorean theorem and the converse of the pythagorean theorem?

The Pythagorean Theorem states that in a right triangle with legs a and b and hypotenuse c, a2 + b2 = c2. The converse of the Pythagorean theorem states that, if in a triangle with sides a, b, c, a2 + b2 = c2 then the triangle is right and the angle opposite side c is a right angle.


When can you use pythagorean theorem?

When working out the sides of a right angle triangle.


What kind of triangles relate to Pythagorean theorem?

Right-Angle triangles


What are the types of triangles that can use the Pythagorean theorem?

Right angle triangles


Can the pythagorean theorem can be used for any type of triangle?

No. The Pythagorean theorem applies only to right triangles...those containing a right angle (90 degrees).


What kind of triangles does the Pythagorean theorem work for?

All right angle triangles


What kind of triangle does the Pythagorean theorem work for?

All right angle triangles


Explain right angles of pythagorean theorem?

A right angle is an angle of 90 degrees. Any angle not 90 degrees is not a right angle. End of story.

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