Answer:

Step-by-step explanation:

I am joyous to assist you at any time.
Answer:
AL=l(w
2)2+h2+w(l
2)2+h2=20·(20
2)2+302+20·(20
2)2+302≈1264.91106
Step-by-step explanation:
I don't know if this is exactly what you are looking for but here is the lateral surface area
Answer:
I will try to help you. I'll tap in once I figure it out. :)
The answer would be 0.13658537...
but when you estimate it the answer would be 0.14
The equation of a circle is: (x - h)² + (y - k)² = radius² where (h, k) is the center. Now just plug in your given information and simplify.
(x - 2)² + (y - 0)² = 9²
Your equation is:
(x - 2)² + y² = 81