A machinist is required to manufacture a circular metal disk with area 1600 cm². (a) What radius produces such a disk? (Round your answer to four decimal places.) cm (b) If the machinist is allowed an error tolerance of 18 cm2 in the area of the disk, how close to the ideal radius in part (a) must the machinist control the radius? (Round your answers to four decimal places.) cm <r< Ст O target area O tolerance in the area What is L? O area O target radius O radius O target area O tolerance in the area What value of ɛ is given? cm2 What is the corresponding value of 8? (Round your answer to four decimal places.) cm Need Help? Read It Watch It Talk to a Tutor Submit Answer Save Progress Practice Another Version 3. -19 points SCalcET8 2.4.012. A graphing calculator is recommended. A crystal growth furnace is used in research to determine how best to manufacture crystals used in electric components л a