The diagonals of square defg intersect at h. given that eh = 5, find the indicated measure.
d
24.) mzghf
25.) mzdgh
26.) hf=
27.) de =

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.