To get the reciprocal, simply flip the numerator and denominator. The reciprocal of 3/10 is 10/3.
M(x, y) = ((x1 + x2)/2, (y1 + y2)/2) = ((-2 + 4)/2, (5 - 9)/2) = (2/2, -4/2) = (1, -2)
The correct answer is C. <span>Similar polygons are never congruent.</span>
If this talks about the diagonal of the flooring then it is 9m
