Referring to the Fig. in Question #44, find the cosine of
∠A. Give answer in simplest form.

Answer:
we know that the total in agles of all trianges is 180, so we can see that c is already a 90 degree angle this only leaves 90
Answer:
we know that the total in agles of all trianges is 180, so we can see that c is already a 90 degree angle this only leaves 90
Step-by-step explanation: