Strictly speaking, the sum of the angles on a triangle equals 180 degrees

A) in flat space.
B) on a spherical surface.
C) on a saddle-shaped surface.
D) all or any of the above
E) none of the above


Answer: A

Physics & Space Science

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What kind of plate boundary separates the South American Plate from the African Plate?

What will be an ideal response?

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a.
b.
c.
d.
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