Answer:

Step-by-step explanation:
The formula to find the area of a circle is

Let pi be (3.14), the radios as given in the question is (0.9). Therefore;

The lowest common denominator is 9/90 and 14/90, multiplying 1/10 by 9/9 and 7/45 by 2/2. I am assuming you know how to solve for LCD? If you don't I can explain in comments.
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