I think you should reword your question!
10.479 cm
Area of circle = 78.54 sq cm => Radius of circle = 5 cm => Diameter of circle = 10 cm => Side of square = 10cm => Area of square = 100cm2
Area of a circle in square cm = pi*radius2
Area of a circle in square cm = pi*radius squared
A circle with a radius of 19 cm has an area of 1,134.11 square cm.
10.479 cm
Radius is the square root of (345/pi) = 10.47935641 cm
Approximately 10.479cm
The area of a 3 cm circle is: 7.069 square cm
Area = 345 = pi*r2 So r = 10.48 cm
Area of circle = 78.54 sq cm => Radius of circle = 5 cm => Diameter of circle = 10 cm => Side of square = 10cm => Area of square = 100cm2
Area of a circle in square cm = pi*radius2
Area of a circle in square cm = pi*radius2
Remember the equation for the area of a circle. A = pi r^(2) To find 'r' algebrucally rearrange r^(2) = A/pi Do not forget to Square Root BOTH sides r = sqrt(A/pi) r = sqrt(345 / 3.141592....) ) r = sqrt(109.8169107....) r = 10.47935641... cm ~ 10.5 cm
Area of a circle in square cm = pi*radius squared
A circle with a radius of 19 cm has an area of 1,134.11 square cm.
A circle with a diameter of 8.5 cm has an area of 56.75 square cm