# Find the radius of the circle if its length is 26.376mm.

May 29, 2021 | education

| A circle is a flat geometric figure whose points are equidistant from a given point, the center of the circle.

We write the formula for the circumference of a circle through the radius:

l = 2πr,

where l is the circumference, r is the radius, π = 3.14159.

Let us express the radius of the circle from the formula:

r = l / 2π.

Substituting the known values of the circumference and constant π into the formula, we find the radius of the circle:

r = l / 2π,

r = 26.376 / (2 × 3.14) = 4.2 mm.

Answer: The radius of the circle is 4.2 mm.

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