Ellipse A has semi-major axis and semi-minor axis

MATHEMATICS · Subjective · CBSE · Mathematics · Conic Sections · Conic Sections

Problem

Ellipse A has semi-major axis

a=10\text{ cm}

and semi-minor axis

b=9.5\text{ cm}

. Ellipse B has

a=10\text{ cm}

and

b=6\text{ cm}

. Which ellipse is closer to a circle? Give a brief reason.