The arch of the bridge is in the shape of a semi-ellipse having a horizontal span of 30 meters and height of 12 meters at the center. How high is the arch 10 meter to right or left of the center

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- March 24th 2010, 03:17 AMreiwardSemi-Ellipse
The arch of the bridge is in the shape of a semi-ellipse having a horizontal span of 30 meters and height of 12 meters at the center. How high is the arch 10 meter to right or left of the center

- March 24th 2010, 05:02 AMsa-ri-ga-ma