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An oval garden has a 20 m major axis and a 12 m minor axis. How far apart are its foci?

A16 m
B8 m
C32 m
D10 m
Answer & Solution
Correct answer: A. 16 m
With a = 10 and b = 6, c = √(100 - 36) = 8, so the foci are 2c = 16 m apart.
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