The sin <ABC means that AC/AB. So we know AB=34. AC/AB=8/17. So the length of AC is 16. cos<ABC means BC/AB. tan<ABC means AC/BC.
The jogger was in a consistent rate in 2-3 minutes
It there are 2 rows of 8 chairs all you have to do is add 8+8 which equals 16
Unless it means there are 8 chairs altogether split into 2 even rows then you do 8\2 =4
I would write down both answers if your not sure which one it is :)
Answer:
-9/2 , -2 , 1/2 , 3.605551275 , 4.2
Step-by-step explanation: