13500-1500= 12000/5=2400
12000-2400= 9600
$9600 most expensive painting
All internal angles in a quadrilateral add to 360
so
x+110+110+70=360
x+290=360
minus 290 both sides
x=70 degrees
Since angle QST is 45°, RQST is a square.
Therefore, QR = QT = 6.2
P.S. Good job trying to do Trigonometry tho :D
Answer:
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Step-by-step explanation: