jose4689
jose4689
19-01-2018
Mathematics
contestada
Can someone explain how to do number 3
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AnimeArtistLife
AnimeArtistLife
19-01-2018
The sum of a triangle is 180.
Set it up like this: 2k + k = 45.
Simplify: 3k = 45
Divide by 3 on both sides.
k = 15.
So 2k = 30.
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