In the diagram, polygon abcd is reflected across ef to make polygon a'b'c'd', which statement must be true?
a hb = hb
b. fa 1 ad
c. ab = bb
d. bbʻ 1 dd
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Is the orthocenter of a triangle on the inside ?

Find the coordinates of point x that lies along the directed line segment from y(-8, 8) to t(-15, -13) and partitions the segment in the ratio of 5: 2.

21 type the correct answer in each box. if necessary, round your answers to the nearest hundredth the vertices of abc are a(2,8), b(16, 2), and c(6,2). the perimeter of abc is units, and its area is square units