If an exteroirangle of a triangle is 130° and one of the interior opposite angle is 60°find the other interior opposite angle find the answer in 7th class
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let the unknown angles be x
x +60=130(exterior angle property)
x=130-60
x= 70
therefore another angle =70
x +60=130(exterior angle property)
x=130-60
x= 70
therefore another angle =70
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