Answer:
9
Step-by-step explanation:
9 is the correct answer.
70 cubic units
y = -5x
don't mind this bsjsvaauuachjquav
DC= 32.3 units
Use Pythag theorem to find BC first
15 ^2 + BC ^2 = 22^2 then BC = sqrt 259
Then use the Pythagorean Theorem again to find DC
DC^2 = 28^2 + sqrt(259)^2
DC=32.3
, we have 