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| 1. |
Given AB II CD and AD II BC, what is the value of x |
| Answer» X= 120°Step-by-step EXPLANATION:since ab||cd,abcd is a parralelogram 40° = D - 90°therefore,D = 130°adjacent ANGLES of a parralelogram are supplementary:130° + c = 180°C = 50°therefore 50° + x = 180°x = 130° | |