Yes, I believe that is true!
Good luck.
1336 is your answer.
Hope this helped :)
6/7 is greater than 6/8. Think of it in terms of pizza. 6/7, you are able to feed 7 people. 6/8, you are able to feed 8 with the pieces, but it is the same size pizza, meaning that the slices get smaller then more people you are able to feed with it, or the smaller the slice. or you could put it into a calculator.
Subtract 113 from 180 to find the complementary angle right next to it... that would give you two angles in the Triangle... then you can add the difference of that with 72 . And then you would again subtract it from 180 cause that's a total of every triangle... so 180-113=67 ; 67+72=139 ; 180-138= 41.. so angle b is 41 degrees
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