Answer:
question 6 answer <5=42 < 1=117 so <CDF= <5+<1=42+117=159
question 7 answer as we know DG and DF is a parallal line so sum of angle <2 and <3 must be 90
so we can write <2+<3=90 <2+73=90
<2=90-73 answer <2=17
6: 42+117= 159 7: 90-73= 17
