What is the area of a circle with a diameter of 4?
2 answers:
Answer:
π2²
Step-by-step explanation:
because when d=4 r will be 4/2=2
Answer:
Step-by-step explanation:
A =πr² r : radius d : diameter d = 2r so : r=d/2 =2
A =(3.14)2² = 12.56
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