Choose the one alternative that best completes the statement or answers the question.
-A spotlight has a parabolic cross section that is 6 ft wide at the opening and 2.5 ft deep at the vertex. How far from the vertex is the focus? Round answer to two decimal places.
A) 0.21 ft
B) 0.52 ft
C) 0.26 ft
D) 0.90 ft

Question

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The Answer of Choose the one alternative that best completes the statement or answers the question.
-A spotlight has a parabolic cross section that is 6 ft wide at the opening and 2.5 ft deep at the vertex. How far from the vertex is the focus? Round answer to two decimal places.
A) 0.21 ft
B) 0.52 ft
C) 0.26 ft
D) 0.90 ft

Choose the One Alternative That Best Completes the Statement or Answers