Respuesta :

Hello Charlesbabegirl! :)
Hope you're having a nice day!

First of all, let's say that the sum of all internal angles of a triangle is always 180°

This means that if you add up angles A, B and C you get 180 but we should find first the value of x by setting up a proportion of this type:

A + B + C = 180

48 + 6x - 28 + 2x = 180

Move all the known terms (those that don't have x) to the right with changed sign.

6x + 2x = 180 - 48 + 28

8x = 160

Divide both terms by 8

x = 20

Then plug the value of x...

m∠B = 6(20) - 28 = 120-28 = 92°

m∠C = 2(20) = 40°

Hope I helped and let me know if I was right!

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