The sum of two angles of a triangle is 80° and their difference is 20° find all the angles
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let the two angles be x and y
x+y = 80
x-y= 20
adding the two equations above we get 2x = 100 this means x= 50 and y = 30 ... so the third angle will be 180 - (80) = 100
therefore the three angles are 50 30 and 100
x+y = 80
x-y= 20
adding the two equations above we get 2x = 100 this means x= 50 and y = 30 ... so the third angle will be 180 - (80) = 100
therefore the three angles are 50 30 and 100
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