Lesson #1: Area of Circles

3. What is the area of a parallelogram with a base equal to 11 inches and a height equal to 1.1 inches? A. 12.1 square inches. B. 1.21 square inches. C. 12 square inches. D. 0.121 square inches. 4. One of the triangular-shaped sails on a tall-masted sailing ship is 35 ft long and 22 ft high. How many square feet of cloth were used to make the ... ................
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