Right Angle Calculator
Verify square corners using the 3-4-5 triangle method
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How to Use This Calculator
Side A.
Side B.
Check C.
Understanding Right Angle Calculations
Pythagoras.
Squaring corners.
Layout.
Diagonal check.
Formula & Calculations
a^2 + b^2 = c^2
Key Factors to Consider
Accuracy
Tape stretch
Level ground
3-4-5 rule
Frequently Asked Questions
13-4-5?
Results in perfect 90 deg.