![]() The earlier worksheets in this section require calculating the area and the circumference given either a radius or a diameter. These slightly more advanced circle worksheets require students to calculate area or circumference from different measurements of a circle. Example: What is the perimeter of a rectangle that measures 3 inches by 8 inches? Since a rectangle has four sides, and its parallel sides are equal in length, this rectangle must have two sides that are each 3 inches in length, and two sides that are each 8 inches in length. To find the perimeter, simply add up the lengths of the figure's sides. ![]() 8 5.4 Use formula for finding the perimeter and area of basic two-dimensional shapes and the surface area and volume of basic three-dimensional shapes, including rectangles, parallelograms, trapezoids, triangles, circles, prisms, cylinders, spheres, cones, and.
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