What two numbers tell us the size and shape of an ellipse?
A)radius, eccentricity
B)radius, deferent
C)semi-major axis, deferent
D)semi-major axis, eccentricity

Question

Quizplus · Accepted Answer

The two numbers that tell us the size and shape of an ellipse are the semi-major axis and eccentricity. The semi-major axis is the longest radius of the ellipse, while the eccentricity describes how elongated the ellipse is (ranging from 0 for a perfect circle to 1 for a very elongated, thin ellipse).

What Two Numbers Tell Us the Size and Shape of an Ellipse