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MariettaO [177]
3 years ago
14

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

Mathematics
1 answer:
vfiekz [6]3 years ago
3 0
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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