Which best describes the slope of the given line? A) horizontal
B) negative
C) positive
D) zero

True or false? a circle could be circumscribed about the quadrilateral below.

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.