Material needed = πD x height
π x 3 x (3 x 12) //multiply by 12 to change the 3 feet to inches
= 339.29 in²
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Answer: 339.29 in²
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The little square means a right angle which is equal to 90 degrees.
X + 30 = 90
X = 60 degrees
Answer:
12.
Step-by-step explanation:
6x10 = 60.
60 divided by 12 =5.