In geometry, a cardioid (from Greek καρδιά (kardiá) 'heart') is a plane curve traced by a point on the perimeter of a circle that is rolling around a fixed circle of the same radius.

Jan 20, 2026 · The cardioid has a cusp at the origin. The name cardioid was first used by de Castillon in Philosophical Transactions of the Royal Society in 1741. Its arc length was found by la Hire in 1708. …

Jul 23, 2025 · A cardioid is a specific type of mathematical curve that resembles the shape of a heart. It is a plane curve generated by a point on the circumference of a circle that rolls around a fixed circle …

A cardioid is a shape, defined in two dimensions, that looks like the shape of a heart. The cardioid is formed by following the path of a point on a rolling circle over another fixed circle of the same radius.

Jan 11, 2023 · A cardioid (from Greek, "heart-shaped") is a mathematically generated shape resembling a valentine heart or half an apple. Constructing a cardioid on a polar graph is done using equations.

A cardioid is a plane curve traced by a point of a circle that is rolling on the circumference of another circle of the same radius. A cardioid is also called a Greek heart.

What Is Cardioid? A cardioid is a heart-shaped curve created by tracing a point on the edge of a circle as that circle rolls around another circle of the same size, without slipping. The name 'cardioid' …

The meaning of CARDIOID is a heart-shaped curve that is traced by a point on the circumference of a circle rolling completely around an equal fixed circle and has an equation in one of the forms ρ = a (1 …

The cardioid, a name first used by de Castillon in a paper in the Philosophical Transactions of the Royal Societyin 1741, is a curve that is the locus of a point on the circumference of circle rolling round the …

The cardioid and Bernoulli's lemniscate are in a contest for the record of the number of different families of remarkable curves they belong to. The cardioid is indeed: 1) the conchoid of a circle with respect …