Answer: x<-21
Step-by-step explanation: I worked on the problem and checked online. Your good! Hope this helps! ^w^
Answer:
the third option
Step-by-step explanation:
108/9 = 12
If it is done correctly the answer should be 1.38527897
Surface area = 17*(sqrt(1155) + 19)
h^2 = 19^2 - 17^2/4
=> h = sqrt(4*19^2 - 17^2)/2 = sqrt(1155)/2
Surface area = 4(1/2*h*17) + 17*19 = 17(sqrt(1155) + 19)