For an ellipse

MATHEMATICS · Single correct · CBSE · Mathematics · Conic Sections · Conic Sections

Problem

For an ellipse, the length of the semi-major axis is

5\,\text{cm}

and its eccentricity is

\frac{3}{5}

. What is the length of its semi-minor axis? (a)

3.2\,\text{cm}

(b)

3\,\text{cm}

(c)

4\,\text{cm}

(d)

2\,\text{cm}