Ivvl Ivvl
  • 09-05-2018
  • Mathematics
contestada

please help me answer this math question 10 points to whoever helps me (the last of my points) thank youuu!!

please help me answer this math question 10 points to whoever helps me the last of my points thank youuu class=

Respuesta :

mkryukova19 mkryukova19
  • 09-05-2018
Any quadrilateral has sum of all angles equal 360⁰.
So,
m∠D+78+91+90=360
m∠D=360-(78+91+90)=101⁰
Answer is A.
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