In a parallelogram abcd, if ∟c = 80° then what is the measure of ∟a?
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anglec =80
angle=?
angle 1 + 2+3+4=360
x + x + x + 80 =360
3x=360-80
x=280/3
x=93.3
angle c =31.1
angle=?
angle 1 + 2+3+4=360
x + x + x + 80 =360
3x=360-80
x=280/3
x=93.3
angle c =31.1
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1
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