Answer:
1244/999
Step-by-step explanation:
So we have 1.245245245245.... which we call x.
If we times this by 1000 (because 3 digits repeat) we get
1000x = 1245.245245245....
Subtract x from both sides:
999x = 1245.245245245... - 1.245245... = 1244
This means that x = 1244/999
This fraction cannot be simplified so this is the answer.
If you want to include the 1 in the repeating (1.2451245...) do the same but the sequence is 4 digits so times by 10000 instead.
Answer:
C = 25.12 , A = 50.24
Step-by-step explanation:

C = 8 * 3.14 = 25.12
A = (4*4) * 3.14 = 50.24
Answer:
7.222 (repeating)
Step-by-step explanation:
8 + 10 + 8 + 5 + 4 + 7 + 5 + 10 + 8 = 65
1 2 3 4 5 6 7 8 9
65 / 9 = 7.222 (repeating)
Answer:
or 
Step-by-step explanation:




For sin θ = 0.5, the reference angle is θ = 30 deg.

or 