Write full questions is that....
True
Explanation: I know stuff
21/4 is the answer your welcome
Answer:
166.1
Step-by-step explanation:
It would become 11.5 * 7 + 10.7 * 8 = 80.5 + 85.6 = 166.1
If the given radius is 5 inches, then the circumference, C is 2pi r, or 2pi(5 inches) = 10pi inches. You MUST include pi in your calculation of C.