29. The parabolic reflector of an automobile headlight is 12 cm. in diameter and 4 cm. in depth. What is the surface area in sq.cm? A. 153.94 B. 146.84 C. 142.64 D. 152.64
29. The parabolic reflector of an automobile headlight is 12 cm. in diameter and 4 cm. in depth. What is the surface area in sq.cm? A. 153.94 B. 146.84 C. 142.64 D. 152.64
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:29. The parabolic reflector of an automobile headlight is 12 cm. in
diameter and 4 cm. in depth. What is the surface area in sq.cm?
A. 153.94
B. 146.84
C. 142.64
D. 152.64
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