24-03-2017
Mathematics

contestada

How to do #9.........

How to do 9 class=

Respuesta :

26-03-2017

4x and 2x line along a straight line, their sum then must be 180° so

6x=180

x=30

So the angles in there are:

3(30)-5=85°

2(30)=60°

4(30)=120°

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