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The midsphere or intersphere of a regular tetrahedron is a sphere which is tangent to every edge of the tetrahedron.

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Nose cone section of any vehicle or body meant to travel through a compressible fluid medium (such as a rocket or aircraft, missile or bullet) has several ... more

A Reuleaux triangle is a curve of constant width,( the separation of two parallel lines tangent to the curve is independent of their orientation), based ... more

Two circles of non-equal radius, both in the same plane, are said to be tangent to each other if they meet at only one point.

Two circles are
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Two circles of non-equal radius, both in the same plane, are said to be tangent to each other if they meet at only one point.

Two circles are
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A regular dodecahedron is a polyhedron composed of 12 regular pentagonal faces, with three meeting at each vertex. It has 20 vertices, 30 edges and 160 ... more

An octahedron is a polyhedron with eight faces. A regular octahedron is a Platonic solid composed of eight equilateral triangles, four of which meet at ... more

In mathematics, a crunode (archaic) or node is a point where a curve intersects itself so that both branches of the curve have distinct tangent lines at ... more

A tacnode (also called a point of osculation or double cusp) is a kind of singular point of a curve. It is defined as a point where two (or more) ... more

Capital market line (CML) is the tangent line drawn from the point of the risk-free asset to the feasible region for risky ... more

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