part a -Using the data given in the text, calculate Venus's angular diameter, as seen by an observer on Earth, when the planet is at its brightest point in its orbit. what is the angular diameter in arcs second?

Part B
Using the data given in the text, calculate Venus's angular diameter, as seen by an observer on Earth, when the planet is at greatest elongation point in its orbit.
Express your answer using two significant figures.
angular diameter =
arc second
part c-
Using the data given in the text, calculate Venus's angular diameter, as seen by an observer on Earth, when the planet is at the most distant point in its orbit.
angular diameter =
arc seconds
mastering astronmoy