11. 2a + 2b = 720
ab = 30800
a=
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0
Answer:
220
Step-by-step explanation:
a+b=360
ab=30800
a-b=(((a+b)square)-(4ab))whole square root
a-b=((360*360)-(4*30800))square root
a-b=80
2a=440
a=220
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