In the standard (x, y) coordinate plane, what is the area of the circle x^2 + y^2 =169?

The area of the circle is 530.66 square units

The equation of the circle is given as:

Express 169 as 13^2

The equation of a circle is represented as:

Where r is the radius.

So, by comparison:

The area of a circle is:

So, we have:

Hence, the area of the circle is 530.66 square units

Read more about circles at:

link

169π

Step-by-step explanation:

circle eq: (x-a)²+(y-b)²=r², where (a,b) is center and r is radius

r²=169

r = ±13

since a radius length must be positive, r = +13, not -13

A of circle: πr²

r = 13

169π

given that the circle eq has r², you could've noticed that you can take the constant in the circle eq and multiply that by π to get the same answer

step-by-step explanation:

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