A metal straw is 20 cm long. The shape of its cross-section is a regular octagon with sides that are 0. 8 cm long. The perpendicular distance from the center of the octagon to one of its sides is 1 cm. It has a circular hole through the core with a radius of 0. 7 cm. Determine the surface area of the straw. Use 3. 14 as an approximation for. Round to the nearest tenth of a centimeter.
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