Despite being one of the exposure controls in photography, the f/stop (or aperture, the terms are interchangeable) remains a source of confusion and mystery to many photographers, even to some who use it all the time.
RACI Matrices. A RACI chart is a matrix of all project activities associated with the responsible people or roles. âAll project activitiesâ includes everything from the day you begin, such as planning, test, design, support, etc.
â BAC = â CAD or â BDA = â BDC. 1  4. If all the parallelogram heights have equal lenght: 2  1. Formula of rhombus side in terms of area and height: 3  3. Formula of rhombus side in terms of area and inradius: 4  4. Formula of rhombus side in terms of it diagonals: 5  1. Formulas of rhombus longer diagonal in terms of side and cosine of any angle (cosÎ± or cosÎ²)