Answer:
<1 = 50
<2 = 40
<3 = 90
<4 = 90
<5 = 40
<6 = 50
<7 = 130
Step-by-step explanation:
<5 + <6 = 90
40 + <6 = 90
<5 = <2 because of vertical angles
<6 = <1 because of vertical angles
<7 = <4 + <5
<7 = 90 + 40
Solution given:
<4=90°[vertically opposite angle]
<2=<5=40°[vertically opposite angle]
<3=90°[right angle]
again
<1+<2=90°[right angle]
<1=90°-40°=50°
<1=50°
<5=40°[given]
<6=<1=50°[vertically opposite angle]
<6=50°
<7=<4+<5=90°+40°=130°
2
68/100*92= 62.56
No abbi does not pass exam.
V≈4624.42
48390,"37,520","65,810",2170 or 2180 (both will work)
24
Hope this helps have a good day