Answer:
11,100
Step-by-step explanation:
Ask yo teacher for help bih
AB=2r
BC=7
AC=AB+BC
-5=2r+7
-12=2r
-6=r
AB=-12
147º
180-33=147
24 inches
Let the longest side be x, the middle side be y and the shortest side be z
Rest is in the attached file