Answer:
(14n - 42)*pi
Step-by-step explanation:
Circumference is 2 * pi * r. Since r in this case is 7n - 21, you can multiply r by 2 and pi, giving you (14n - 42)*pi
3.2 is the answer.
If you want to learn the steps to the process
just copy and paste this "how to find the radius of a circle with an area."
Answer:
The cost price of the watch was rs 239.4
Step-by-step explanation:
252 * 0.05 = 12.6
252 - 12.6 = 239.4
Hope this helps.
Answer:
188 units cubed
Step-by-step explanation:
