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# Is the Pythagorean theorem is true for all similar triangles?

Updated: 4/28/2022

Wiki User

14y ago

Only right triangles.

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14y ago

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Q: Is the Pythagorean theorem is true for all similar triangles?
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Yes

### Is it true that Pythagorean theorem can only be used for right-angled triangles?

Yes. The Pythagorean Theorem is true for only right triangles. However, a variety of other similar equations can be used for other triangle types. Law of Sines: a/sinA = b/sinB = c/sinC Law of Cosines: c2 = a2 + b2 - 2ab*cosC

### Example of theorem?

A theorem in math is defined as a result that has been proved to be true using facts that were known. An example of this is the Pythagorean Theorem for right triangles a^2 + b^2 = c^2.

### Is the pythagorean theorem true for an acute triangle?

No, the Pythagorean Theorem only works on right triangles. You could use the law of cosines, though: c^2=a^2+b^2-2ab*cos(C) Where C is the measure of the angle between sides a and b.

True

### Who developed the theory a plus b equals c?

A Mathematician named Pythagorean. That is why it is called Pythagorean's theorem. For every right triangle, this theorem will be true.

### Do contractor use the pythagorean theorem?

Yes it is a way of checking a true right angle.

### A valid argument which shows that a mathematical statement called a theorem is true?

Pythagoras' theorem is only theorem regarding right angle triangles but it is true.

### The square of the longest leg equals the square root of the sum of the two other legs?

This refers to the Pythagorean Theorem that holds true for right triangles. This theorem expresses the relationships among the three sides of a right triangle. The longest leg is the hypotenuse and is opposite the right angle.

### Is Pythagorean theorem is derived from the distance formula?

Yes, the distance formula for a line segment was derived from Pythagoras' theorem.

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