The distance between the Earth's surface and the upper edge of the Earth's atmosphere would be Q - V.
The distance from the Sun to the Earth is Q. The distance from the Sun to the upper edge of the atmosphere is V. If you subtract V from Q, the remaining distance is that of the Earth's atmosphere. Q - V = the atmosphere
would it be 90 ? because of the big angle
The answer is the first answer choice
None? Unless the second option is supposed to be 10^2 or the fourth option is 50 x 2.