A circle (circle) is a geometric figure on a plane, all points of which are equidistant from a given point (the center of the circle).
Circle area formula
where R is the radius of the circle
A circle (circle) is a geometric figure on a plane, all points of which are equidistant from a given point (the center of the circle).
Circle area formula
where d is the diameter of the circle
A circle (circle) is a geometric figure on a plane, all points of which are equidistant from a given point (the center of the circle).
Circle area formula
where L is the circumference
Solution:
S =
πR^{2}
=
3.1415·2^{2}
=
12.566
Answer: krgua area with radius 2 equal to 12.566