= square root 11 (5 - 12 - 2)
= square root 11(-9)
= -9 square root 11
answer is C.
you got it right
I'm sorry hun, i suck at math. If i knew how i would help you. Have you tried looking it up?
I am pretty sure the answer is c
Answer: Like the angles BAC (56°) and BDC has the same arc BC in the circumference, these angles must be congruent, then angle BDC must be equal to 56°.
Check the picture below.
make sure your calculator is in Degree mode.