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A 3-inch, f/6 reflector has a focal length of: 2 inches 3 inches 6 inches 18 inches
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5 votes
A 3-inch, f/6 reflector has a focal length of:

2 inches
3 inches
6 inches
18 inches

User Varvara Jones
by
4.0k points

1 Answer

6 votes

Answer:

its 18

Explanation:

trust me

User Yerken
by
4.0k points
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