\

The distance from the Sun to Earth is approximately \"\". 

\

The distance from the Sun to Venus is approximately \"\".

\

The elongation angle is the angle formed between the line of sight from Earth to the Sun and the line of sight from Earth to Venus  \"\".

\

Consider the distance between the Earth and Venus as \"\".

\

Draw a diagram for the situation:

\

\"\"

\

Observe the figure:

\

Apply the Law of Sines for triangle \"\":

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

\"\" and \"\".  

\

\"\".

\

\"\".

\

\

Apply the Law of Sines for triangle \"\" for \"\": \ \

\

\"\"

\

\"\".

\

Apply the Law of Sines for triangle \"\" for \"\".

\

\"\"

\

\"\".

\

Thus, possible distances between Earth and Venus are approximately \"\" or \"\".

\

\

Possible distances between Earth and Venus are approximately  \"\" or \"\".