Answer: I would assume you mean 105 in radius to diameter which would be 210 since diameter is just radius times 2. <u>Otherwise, explain the question more since it's barely legible.</u>
By looking at this question my best bet is The third one.
as you should know, to get the inverse of any expression, we start off by doing a quick switcheroo on the variables and then solve for "y".

Answer:
1=40
2=140
3=40
Step-by-step explanation:
We know on side
140 and side 2 are equal
1 and 3 are equal
So since 140 and 2 are equal
140*2=280
360 degrees total in any 4 sided shape
360-280=80
80/2=40
If i looked at this correctly i believe the answer would be c