Find the radius, circumference of a circle if the area of the circle is 169 m2.

From the condition we know the area of the circle and it is 169 m2. In order to find the radius of a circle, you need to remember the formula for finding the area of a circle.

So, the formula for finding the area of a circle through the radius looks like this:

S = nR ^ 2, where R is the radius of the circle, and n is a constant and it is equal to 3.14.

Let us express R from the formula and calculate:

R = √ (S / p) = √169 / 3.14 = 7.34 meters is the value of the radius of a given circle.

We will look for the length of the circle by the formula:

l = 2nR = 2 * 3.14 * 7.34 = 6.28 * 7.34 = 46.1 m2.

Answer: R = 7.34 m; l = 46.1 m2.