3 years ago

Can someone please explain to me how to solve #7?

1 answer:

3 0

Sum of all angles inside of a triangle equal 180 degree

The sum of obtuse angles (the one inside of the triangle, bottom right and the one next to is ) must total 180 degrees

so first I would do the obtuse ones

180 = x +15x-4
180 = 16x - 4
184 = 16x
x = 11.5 degrees

so now I would do the inside triangle angles...tell me what you got

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