to find the radius you divide the circumference by 2pi
area is pi times radius to the 2nd power
Answer:
9/-5
Step-by-step explanation:
5--4/-2-3
9/-5
Answer:
103
Step-by-step explanation:
98+3=102+2=103
The center is (-1, -2) and the radius of the circle is 5.
<h3>What is the equation of a circle?</h3>
The circle equation formula refers to the equation of a circle which represents the center-radius form of the circle.
A circle can be represented as;

Where; h and k are the center of the circle r is the radius of the circle.
The given equation of the circle is;

Comparing both the equations;

Hence, the center is (-1, -2) and the radius of the circle is 5.
Learn more about circle here;
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Answer:
The total number of students in Toby's grade is 200.