Sochi starts reading at 11 25 AM and ends at 12 09 PM How many minutes does Sochi read? Use the number pad to enter your answer
2 answers:
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Answer:
The radius of the circle is
Step-by-step explanation:
we know that
In a circle, a 90-degree sector represents a quarter of the circle area.
The area of a quarter circle is equal to
we have
----> area of a quarter circle
so
Simplify