The length of the major axis of the ellipse below is 12 and

The length of the major axis of the ellipse below is 12, and the length of the red line segment is 4. How long is the blue line segment? A. 16 B. 10 C. 6 D. 8

Solution

The length of major axis of the ellipse=12

The length of red line segment=4

According to geometry rule of triangles,

The length of blue line=8