Verified answer

1. Name the angle beside 70° and 60° as a and b respectively

so

70°+a= 180°

a=110°

similarly

b=120°

sum of angle of a pentagon=540°

therefore 30°+110°+120°+x+x=540°

2x=540°-260°

x= 280/2

x=140°

2.the picture isn't clear so the figures aren't visible properly

3. could upload the question again for these two am not able to read the questions