Pythagorean Theorem

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The Pythagorean Theorem is often used for squaring

• to verify a corner is square (90 degrees) 

The Pythagorean Theorem can be expressed as 

C = (A² + B²)^1/2  (1)

Example - Determine the length of the Hypotenuse  - C

With A = 5 m and B = 10 m, the length of the hypotenuse - C - can be calculated as

C = ((5 m)² + (10 m)²)^1/2  

   = 11.2 m

Squaring a Corner 

The angle is square (90 degrees) if 

• C = 5 (m, ft)
• A = 3 (m, ft)
• B = 4 (m, ft)

Sin Rule

A / sin a = B / sin b = C / sin c   (2)

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Related Topics

• Mathematics - Mathematical rules and laws - areas, volumes, exponents, trigometric functions and more

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