Identify each measurement as the diameter, radius, or circumference of the circular object. Then, estimate the other two measurements for the circle. 1. The distance from the tip of a slice of a pizza to the crust it 7 in. 2. Breaking a cookie in half creates a straight side 10 cm long. 3. The length of the metal rim around a glass lens is 190mm. 4. From the center tot he edge of a DVD measures 60 mm.