Pre-Calculus, 9th edition
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69
| PAGE: 651 | SET: Exercises | PROBLEM: 69 |
Please look in your text book for this problem Statement
The arch is in the shape of semi ellipse.
Observe the diagram:
The major axis length is 
.
.
The length of semi minor axis is 
.
The major axis of ellipse along the 
-axis.
Consider the center at origin.
The standard form of horizontal ellipse center is at origin is 
.
Substitute 
and 
in 
.
.
The equation of the ellipse is 
.
The equation of the ellipse is .
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