U need to graph the cordiantes to how the are said on the graph
You find the variable x or y in one of the lines of the problem and then substitute the value of the variable you first found into the other line of the problem to find the other variable. Then, you plug all of the values you found into either line/equation of the problem to ensure that one side of the equation you pick is equal to what is on the other side of the "=" symbol.
Answer:
7
Step-by-step explanation:
7x2=14
5x7=35
It would be the third choice if ur rotating from point A
13. 81.64
14. 803.84
15. 153.83
16. 753.6
you just use circumference and area formulas for a circle
