.4335
Explanation- 12 divided by $3.46 and then divide the number you get from that by 8.
The pyhtagorean states that to find c, use the eqaution,

.
Substitute 1 for a and 20 for b;
c^2=1+400
c^2=401
c=
which is about 20.02
Hope this helps.
Looks good to me. Calculation is correct. Although you might want to add to #1 your description; that the width of the rectangle is the circumference of the circle (w = 2πr) and that you add the surfaces together to get the total surface area.
total surface area = area of rectangular part + area of circular parts
SA = 2πrL + 2πr²
Answer:
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Step-by-step explanation:
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Answer:
1/4, 2/8, 4/16, 8/32, 16/64
Step-by-step explanation: