Answer:
100π.
Step-by-step explanation:
The answer is 100π.
Since the diameter of the circle is 20mm, the <em>radius of the circle is 20/2 = 10mm.</em>
<em />
The <em>formula for area of a circle is π*r^2. </em>If we substitute r for 10, we get the final answer as 100π or about 314.16.
(i just changed my answer)
sqrt is the square root of
v=sqrt(2(ke)/m)
Answer: 69.38
Step-by-step explanation: Have a brilliant day-Lily ^-^
