The answer is b your welcome
Answer:
I was having trouble submitting a text answer, so I attached a file. Hope it helps.
Step-by-step explanation:
Hello!
The formula for area of a circle is


is 3.14 (which is 22/7), and r stand for the radius, which is half of the diameter. If the diameter is 28 cm, the radius is 14 cm.


616
Answer:
Approximately 616 cm

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Hope this helps!