The lower edge of a picture is 3 m ,the upper edge is 5 m above the eye of an observer. At what horizontal distance should he stand if the vertical angle subtended by the picture is to be greatest ? A 15 m B. 3 V5 m C. 5 V3 m D. V15 m
The lower edge of a picture is 3 m ,the upper edge is 5 m above the eye of an observer. At what horizontal distance should he stand if the vertical angle subtended by the picture is to be greatest ? A 15 m B. 3 V5 m C. 5 V3 m D. V15 m
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
Problem 4E
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Transcribed Image Text:The lower edge of a picture is 3 m ,the upper edge is 5 m above the eye of an observer.
At what horizontal distance should he stand if the vertical angle subtended by the picture
is to be greatest ?
A. 15 m
B. 3 V5 m
C. 5 V3 m
D. V15 m
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