Question

An engineer is planning a new water pipe installation. The circular pipe has a diameter of d=20\text{ cm}d=20 cmd, equals, 20, start text, space, c, m, end text.
What is the area AAA of the circular cross section of this pipe?

Answer 1

Answer:

$100\pi$

Answer 2

Answer:

100 Pi!!!

Step-by-step explanation:

I got it correct in Khan Academy! LOL!! :D