Triangle+Angle+Sum

=**__Part 1: Triangle Angle Sum__**=

Easy Problems. Find the missing angle [|Video Help]
 * 1) 1[[image:09182017a.jpg]]#2 [[image:09182017b.jpg]]#3[[image:09182017c.jpg]]

Hard Problems. Find X: [|Video Help]
 * 1) 4 [[image:09182017d.jpg width="347" height="214"]] #5[[image:09182017e.jpg]]

Go on to part 2 or back to beginning