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kim95207
20.01.2020 •
Mathematics
Can someone explain this and me write it and write the list of steps
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Ответ:
Since A-C-D is a straight line, then its 180 degree
With that we can do 113-180 = 67
So angle C is 67 degree
Now as a general rule, the total of all angles in a triangle is equal to 180
So to find for angle B we can write an algebraic equation
Angle A + Angle C + Angle B = 180
Let x represent Angle B
So
72 + 65 + x = 180
we now solved for x
X was solved to be 43 then the measure of Angle B is 43 degree
Ответ:
2/10 = 3/10, 2/5 = 4/10