The internal angle sum of a quadrilateral is :
C. 360°
The sum of internal angles of a polygon is determined by a formula :

where n represents number of sides.
In a quadrilateral there are four sides,
So, plugging 4 in the formula :
_____________________________

Answer:
Dr hmm fruncfyhn
Step-by-step explanation:
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-3x + 6 + 12 y. I am afraid that there are no like terms to combine, and it is neither an equation nor an inequality.
Hope this Helps!
Mmm I would say answer is 96
Cuz you have to get 180° total
So 180-35-49=96°
Answer:
she didnt multiply 5 times 12