bobjill66751 bobjill66751
  • 16-06-2018
  • Mathematics
contestada

Abcd is a quadrilateral in which angle a = 40 degrees and angle b = 150 degrees. could abcd be a parallelogram?

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sqdancefan
sqdancefan sqdancefan
  • 21-06-2018
No.

Adjacent angles of a parallelogram are supplementary. Adacent angles "a" and "b" add to 190°, not 180°, so are not supplementary.
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