a triangle with no equal sides or angles
the extent of the relationship between the ordering of two random variables.
an angle that is measured upwards from the horizontal plane.
a quadrilateral with two pairs of opposite sides parallel
in any right-angled triangle, the square on the hypotenuse equals the sum of the squares on the...
(N0) all the natural positive numbers, together with zero. N0 = {0; 1; 2;...
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