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Author Question: When we see a half Moon in the sky, the lines between Earth, Moon, and Sun A) are equal in ... (Read 15 times)

cdr_15

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on: Jul 29, 2018
When we see a half Moon in the sky, the lines between Earth, Moon, and Sun
 
  A) are equal in length.
  B) are parallel to one another.
  C) form a right triangle.
  D) all of the above

Question 2

Eratosthenes' measurements of Earth's size involved
 
  A) a deep well in Syene.
  B) a pillar's shadow in Alexandria.
  C) surveying the distance between Alexandria and Syene.
  D) all of the above


jackie

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: D


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