72 is the answer to this problem
δabc ≅ δdcb by sas because
db ≅ ac . . given (side)
bc ≅ bc . . reflexive property (side)
∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)
10 down (bang1)
5 up
5down (2)
2.5 up
2.5 down (3)
1.25 up
1.25 down (4)
now add them up : )
hoped i lol
table a is wierd
step-by-step explanation:
6*f