Expand your knowledge base with the help of IDNLearn.com's extensive answer archive. Get accurate answers to your questions from our community of experts who are always ready to provide timely and relevant solutions.

The radius of a circle is 30 feet. What is the circumference of the circle?
Use 3.14 for pi


Sagot :

Answer:

C≈188.5ft

C=2πr=2·π·30≈188.49556ft

Step-by-step explanation:

If we want the exact circumference or area of a circle, we leave the symbol π in the answer. We can get an approximate answer by substituting 3.14 as the value of π . We use the symbol ≈ to show that the result is approximate, not exact.