Assuming that the letters can only be capitals or non-capitals then:
(26P2)*(9P1)*4 = 23400 possible combanations
10= 30 degrees 30+90= 120
11= 60 degrees 180-120= 60
12= 60 degrees 180-120 = 60
13= 120 degrees 180-60= 120
Answer:
i think 11
Step-by-step explanation:
2: Midpoint of segment AC is given as B3: Given4: Knowing that AC~=BC, AC~= DE