An ellipse.
it is shaped roughly like a bell... a bell curve.
When the moon is shaped like a ball it is called a full moon.
It is a ring like object. The ring of a circus for example. Your definition would be a closed plane curve, consisting of all points from a given distance from a point within it, called the centre
A tangent is an object, like a line, which touches a curve. The tangent only touches the curve at one point. That point is called the point of tangency. The tangent does not intersect (pass through) the curve.
That shape is called an 'oval' or an 'ellipse'.
An ellipse.
it is shaped roughly like a bell... a bell curve.
yes
Yes, that's correct. An ellipse is a closed curve that resembles an elongated circle or oval shape. It is defined as the set of all points where the sum of the distances to two fixed points (foci) is constant.
An ellipse is a closed curve that is elongated.
A closed semi-circle.
eclipse
A horseshoe bend is a curve in a river that is shaped like the letter "U".
When the moon is shaped like a ball it is called a full moon.
A bank shaped like a pig is called a piggy bank.
a yellow sign with an arrow shaped like an S