Additional Circumference Examples – Sept. 12

  1. The circumference of a circle is 90cm. Calculate the radius to the nearest cm.
  2. How many cookies, with a radius of 4cm each, can be cut out of a rectangular slab of cookie dough that measures 31cm by 52cm?
    Is calculating the circumference necessary?
  3. A car tire has a radius of 30cm. A stone gets stuck in the tire. How many times will it hit the ground when the car travels a distance of 500m?
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