PeterjamesU645384 PeterjamesU645384 31-10-2022 Mathematics contestada 1 shown. If the diameter of a circle is of an inch, what 4 is its radius? 1 What is the radius r of a circle with a diameter of 4 a r in (Simplify your answer. Type an integer or a fraction.) Enter your answer in the answer box ะต e Save for ater