... 17 classroom.google.com @ Trainl 7. A cross-section of an irrigation canal is a parabola. Ifthe surface of the water is 40 ft. wide and the canal is 28 ft. deep at the center, how deep is it 18 ft. from the edge? 40 ft. O 2015 joan s kessler distancemath.com to0

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.1: Area And Initial Postulates
Problem 23E: A triangular corner of a store has been roped off to be used as an area for displaying Christmas...
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17
classroom.google.com @
7.
A cross-section of an irrigation canal is
a parabola. Ifthe surface of the water
is 40 ft. wide and the canal is 28 ft.
deep at the center, how deep is it 18
ft. from the edge?
40 ft.
© 2015 joan s kessler distancemath.com
Page 2 / 5
+
to0
Transcribed Image Text:... 17 classroom.google.com @ 7. A cross-section of an irrigation canal is a parabola. Ifthe surface of the water is 40 ft. wide and the canal is 28 ft. deep at the center, how deep is it 18 ft. from the edge? 40 ft. © 2015 joan s kessler distancemath.com Page 2 / 5 + to0
classroom.google.com A
df
Open with -
foom
6. A field microphone used at a soccer game
has a parabolic cross section and is 20 in.
wide at the opening. The focus is 9 in. from
the vertex. Find the depth of the
microphone.
© 2015 joan s kessler distancemath.com
Page
1 | 5
Q +
Transcribed Image Text:classroom.google.com A df Open with - foom 6. A field microphone used at a soccer game has a parabolic cross section and is 20 in. wide at the opening. The focus is 9 in. from the vertex. Find the depth of the microphone. © 2015 joan s kessler distancemath.com Page 1 | 5 Q +
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