the sum of two angles is 80 grades and their difference is 18 grades. find the angles.
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3
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two angle be x and y. So x+y=80 x-y=18 2x=98 x=44 44-y=18 44-18=y 26=y. tramwayniceix and 15 more users found this answer helpful.
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Answered by
31
Answer:
let 3 angles be. x , y , z so x+y=80 x-y=18
add both equations 2x=98 x=49 y=31 then x+y+z=180
so z=100
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