What is the volume of this container?

In the figure below, segment ac is congruent to segment ab: which statement is used to prove that angle abd is congruent to angle acd? a.)triangle acd is similar to triangle abd. b.)triangle acd is congruent to triangle abd. c.)segment a.d. is congruent to segment ac. d.)segment a.d. is congruent to segment dc.

The following graph of f(x)=x^2 has been shifted into the form f(x)=(x-h)^2+k

Find the area of right triangle abc.