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Mathematics, 25.07.2019 03:30 sofia3226

59. parabolic reflector a lamp with a parabolic reflector is shown in the figure.
the bulb is placed at the focus, and the
focal diameter is 12 cm.
(a) find an equation of the parabola.
(b) find the diameter d(c, d) of the opening, 20 cm from the vertex.


59. parabolic reflector a lamp with a parabolic reflector is shown in the figure. the bu

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59. parabolic reflector a lamp with a parabolic reflector is shown in the figure.
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