isogonic मीनिंग इन हिंदी

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Hence the 1st isogonic center is also a triangle center.
Halley used his voyages on the isogonic " lines.
This point is commonly called the first isogonic center.
In 1698, Halley was given command of the, a isogonic, or Halleyan, lines appeared.
In other words "'the Fermat point is coincident with the first isogonic center " '.
Moreover the corresponding triangle center coincides with the obtuse angled vertex whenever any vertex angle exceeds 2? / 3, and with the 1st isogonic center otherwise.
I found the word " isogonic " ( DCE : " corresponding to equal values of magnetic declination " ) in a fascinating article about an escapist sea voyage in Saturday Night magazine.
An "'isodynamic tetrahedron "'is one in which the cevians that join the vertices to the concurrent, and an "'isogonic tetrahedron "'has concurrent cevians that join the vertices to the points of contact of the opposite faces with the inscribed sphere of the tetrahedron.
By convention, declination is positive when magnetic north is east of true north, and negative when it is to the west . " Isogonic lines " are lines on the Earth's surface along which the declination has the same constant value, and lines along which the declination is zero are called " agonic lines ".

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