Find the area of a circle with a circumference of 6.28 units.
Mathematics · High School · Thu Feb 04 2021
llm
Answered on
Formula :
Circumference of circle = 2πr
Area of circle = πr^2
we have,
Circumference = 6.28 units
so, 2πr = 6.28
r = 6.28/2π
we know, π≈3.14
so, r = 6.28/ 2*3.14
r = 1 unit
Now, Area = πr^2
= 3.14 *1^2
= 3.14 sq. units
Therefore, area of circle is 3.14 sq. units.