Isaac Newton invented the reflecting octant in 1699.
The octant was invented by British mathematician and astronomer John Hadley in 1730. Hadley's octant was a navigation instrument used to measure the altitude of celestial bodies, helping sailors to determine their position at sea.
An octant contains 45 degrees. It corresponds to one-eighth of a full circle, which has 360 degrees.
An octant is 1 eighth of a circle because it is 45 degrees
Quadrant
Octant
One eighth of a circle.
Octant
There is 45 degrees in an octant. This is equivalent to one eighth of a circle. Since a circle has 360 degrees you would divide this number by 8.
October Octagon Octave Octant
He invented the octant which was a precursor to sextant.
A slice (Pie) Octant