5). (2 points)
Find angle "B". You must find angle "A" first.

B = ________________

6). (2 points)
Find angle "B". You must find angle "A" first.

B = ________________

7). (2 points)
Find angle "A". You have to find all the angles from the 50o angle to get "A". Notice that the triangle involving "A" is isosceles.

A = ________________