Answer with Step-by-step explanation:
5
118+<1=180 [Angles in a straight line]
<1=62
62+73+<2=180 [Angles of a triangle]
<2=45
<1+<2+<3+49=180[Angles of a triangle]
<3=24
6
<3=47 [Alternate interior angles]
<2=52 [Alternate interior angles]
<1+<2=180[Angles in a straight line]
<1=128
<3+<4=180[Angles in a straight line]
<4=133
<2+<3+<5=180[Angles of a triangle]
<5=81
7
<3=95[Vertically opposite angles]
<3+<2=180[Angles in a straight line]
<2=85
<4=85[Vertically opposite angles]
144+<5=180[Angles in a straight line]
<5=36
<3+<5+<6=180[Angles of a triangle]
<6=49
<5+38+<7=180[Angles of a triangle]
<7=106
<6+90+<1=180[Angles of a triangle]
<1=41
