Hint: Tr
In the accompanying diagram, CD is an altitude of
AABC. If CD= 8, mZA = 45, and m B = 30.
find the perimeter of A ABC in simplest radical
form.

Which statement is true about the local minimum of the graphed function? over the interval[-4,-2], the local minimum is 0. over the interval [-2,-1] , the local minimum is 25. over the interval [-1,4], the local minimum is 0. over the interval [4,7], the local minimum is -7