1. Given that Earth’s radius is 6378 km, what percentage of Earth’s radius is Ve

Question

1. Given that Earth’s radius is 6378 km, what percentage of Earth’s radius is Venus’s radius?

57%

95%

189%

923%

2. The distance at inferior conjunction (closest to Earth) is calculated by subtracting the planet’s orbit size from Earth’s distance from the sun (1 au). What is Venus’s distance at inferior conjunction?

0.1324 au

0.2767 au

0.7233 au

0.9109 au

3. The distance at superior conjunction (farthest from Earth) is calculated by adding the planet’s orbit size to Earth’s distance from the sun (1 au). What is Venus’s distance at superior conjunction?

0.2767 au

0.7233 au

1.2767 au

1.7233 au

57%

95%

189%

923%

Explanation / Answer

1. The radius of Venus is 6,052 km.

Earth’s radius is 6378 km

Venus’s radius = (6052/6378)* 100 of earth's radius

                       = 94.88 percent

                      we can round it to 95 percent

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