Here's what you have to do: multiply. 54.9×12= 658.8. So, he traveled 658.8 miles in twelve hours.
Answer:
648 cubic centimeters
Step-by-step explanation:
6×9×12=648
The answer is B.
This is because <span>any angle formed by two chords is equal to half the sum of intercepted arcs.</span>
The length of the base is 6. You can use the formula b=a/h to find the base. <span />
