what is the formula for angle between planes
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Angle between two planes formulas
If A1x + B1y + C1z + D1 = 0 and A2x + B2y + C2z + D2 = 0 are a plane equations, then angle between planes can be found using the following formula
cos α = |A1·A2 + B1·B2 + C1·C2| √A12 + B12 + C12√A22 + B22 + C22Similar questions