Follow the rules for working with measurements.
A concrete forming “paper” tube is used to void a column as shown in Illustration 8. The walls must be 3.00 in. thick and the outside column must be 37.0 in. in radius. The column is 20.0 ft tall. a. Find the diameter of the paper tube. b. If concrete weighs 148 lb/
/gal per coat of paint, how much paint would you put in the bill of materials as required for one coat per each column exterior surface. d. If the column is not voided and poured solid, how much would it weigh?
ILLUSTRATION 8
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Elementary Technical Mathematics