Answer:
2rPi:
Step-by-step explanation:
You can multiply the radius by 2, which gives you the diameter. Then you multiply by Pi, which is 3.14 OR 22/7. If you are in Khan Academy, don't use 22/7.
x^3
It stays the same.
Hope this helps.
f (0) = 3.(0)(0) - 3.(0)
= 0
It is called an acute triangle.