Best Answer

a2 + b2 = c2

a2 = c2 - b2

a = sqrt(c2 - b2)

==================no +/- square root as a negative length makes no sense in a right triangle

Q: How do you find A in the pythagorean theorem?

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The Pythagorean theorem is a2 + b2 = c2. It is used for right triangles. If you know two of the sides, you can use the theorem to find the third side.

Yes.

The Pythagorean Theorem is used to find side lengths of right triangles. It came from the Greek philosopher and mathematician Pythagoras.

You would use the Pythagorean Theorem when you are trying to determine the length of a side on a right triangle.ORYou might use the Pythagorean Theorem if you are carpenter or builder. A carpenter might use the Pythagorean Theorem to find the length of the hypotenuse (longest side of the triangle) or the length of the wall or roof. Use can use this methed or theorem in any building situation.

It depends on what x is and what information you have. For example, if no side lengths are known, the Pythagorean theorem is not going to be any use!

Related questions

You can use pythagorean theorem twice to find the diagonal of a cube

The Pythagorean theorem is a2 + b2 = c2. It is used for right triangles. If you know two of the sides, you can use the theorem to find the third side.

Yes.

The Pythagorean Theorem is used to find side lengths of right triangles. It came from the Greek philosopher and mathematician Pythagoras.

Pythagorean theorem

You would use the Pythagorean Theorem when you are trying to determine the length of a side on a right triangle.ORYou might use the Pythagorean Theorem if you are carpenter or builder. A carpenter might use the Pythagorean Theorem to find the length of the hypotenuse (longest side of the triangle) or the length of the wall or roof. Use can use this methed or theorem in any building situation.

you can't, because the Pythagorean theorem is for right triangles and the triangles formed by the diagonal of a parallelogram are not right triangles.

Oh yes, the Pythagorean Theorem has been proven.

The Pythagorean theorem uses the right triangle.

It depends on what x is and what information you have. For example, if no side lengths are known, the Pythagorean theorem is not going to be any use!

There are 19 various aspects of Pythagoras theorem. Pythagorean Theorem (1) Pythagoras Theorem(2) Pythagorean Theorem (3) Pythagorean Theorem (4) Pythagoras Theorem(5) Pythagorean Theorem(6) Pythagrean Theorem(7) Pythagoras Theorem(8) Pythagorean Theorem (9) Hyppocrates' lunar Minimum Distance Shortest Distance Quadrangular Pyramid (1) Quadrangular Pyramid (2) Origami Two Poles Pythagoras Tree(1) Pythagoras Tree(2) Theorem by Pappus

the standard form of the Pythagorean Theorem is :a2 + b2 = c2