# How to Find the Major Axis of a Circle?

The major axis of a circle is the axis around which the circle rotates, and is symmetric. This axis must pass through the center of the circle. Since many lines pass from the edge of a circle throu...
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http://www.ehow.com/how_8516982_major-axis-circle.html

## How to Calculate a Semi-Major Axis?

A semi-major axis is an important elliptical measurement. The semi-major axis travels the distance from the ellipse's center to the most distant point on its perimeter. This axis, along with the se...
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http://www.ehow.com/how_8018424_calculate-semimajor-axis.html

## How to Convert a Semi-Major Axis to Altitude?

Satellites---natural or artificial---often orbit a central body in an elliptical path. In the case of a satellite that orbits the Earth, the central body (the Earth) is located at one of the foci o...
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http://www.ehow.com/how_7954811_convert-semimajor-axis-altitude.html

## A circle is 2106 sq ft. find the radius of the circle to the nearest foot (use 3.14 for pi)?

Since area = r*r*pi, and we want to find the radius, let's set this up like an equation, using r as the variable that represents the radius (and the value we're looking for). Let's also write it as...
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http://answers.yahoo.com/question/index?qid=20130419195859AAKnbOC

## My son's EKG came back abnormal , Unusual P axis, possible ectopic atrial rhythm, right axis deviation?

right axis deviation will suggest that the current is stronger on the right side of the heart. this could be caused by right ventricular hypertrophy or right bundle branch block.ectopic atrial rhyt...
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http://answers.yahoo.com/question/index?qid=20100618105558AAlDIuf