The circumference of any circle is (pi) x (the diameter of the circle).
The problem gives you both numbers, so all you have to do is multiply them.
Circumference = (pi) x (diameter) = (3.14) x (21cm) = <em>65.94 cm .</em>
Answer:
Step-by-step explanation:
That's B: the surface area.
The volume of the sphere is V = (4/3)πr³; A = 4πr² happens to be the derivative of V with respect to r.
Answer:
Step-by-step explanation:
Hi there!
Length of the field: 
units
Width of the field: 
units
To find how much greater the length of the field is than the width, subtract the width from the length:
Open up the parentheses
Combine like terms
Therefore, the length is units greater than the width.
I hope this helps!
Answer: the number is 3.
Step-by-step explanation:
(x × 10) + 6 = 36
[(3) × 10] + 6 = 36
