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Directions: Solve the following problems
1. A ball has a diameter of 22 cm. Find its surface area.
2. A milk can has a radius of 5 inches and a height of 12 inches. What is its surface area?
3. A cone has a diameter of 10 cm and a slant height of 12 cm. What is its surface area?
Answers & Comments
1. 1520.531 square cm rounded to 3 d.p.
2. 1,250.786
3. 490.7324601 sq cm