Answer: The answer is 2
Step-by-step explanation:
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Answer:
8
b=7×10(opposite angle of parallelogram)
b=70
3x+10+b=180(cointerior angles)
3x=10
x=33.33
a+70=180(cointerior angles)
a=110
90m+145
80 + 50m + 65 + 40m