Calculate the value of the exterior angle

Question

anonymous · Answer

attachment

anonymous · Answer

@bibby could you help pleeease? :)

bibby · Answer

ahhhh, we meet again. 

My first thought is to realize the bottom thing is a straight line. As such Both angles add up to 180, right?

amoodarya · Answer

attachment

anonymous · Answer

@bibby yeah that's what I was thinking?

bibby · Answer

amoodarya's image has what I was getting at

amoodarya · Answer

so sorry for my interference

anonymous · Answer

@amoodarya its fine! the more help the better lol

amoodarya · Answer

two head is better than one

anonymous · Answer

but so I should solve 180-(8x+15)?

bibby · Answer

that's just the angle measurement. You can then add up all the angles in the triangle to find x and set it to 180 (sum of angles in a triangle))

anonymous · Answer

I added up the angles in the triangle and got 22.14?

anonymous · Answer

@bibby

amoodarya · Answer

attachment

bibby · Answer

You can use the equation amoo set up. I got x=10

anonymous · Answer

@amoodarya @bibby I see it now, thanks you guys

bibby · Answer

Don't just take my answer though. Work through the equation and understand how we arrived at  said answer

anonymous · Answer

@bibby I know I did, thank you again :)