r= 9 so diameter is 2x the radius =18 cm
The diameter of a circle is double the radius so it has to be 9cm
The area of a circle with a diameter of two cm is about 3.1416 cm.
The area of a circle if the diameter was s 7ft is 38.48ft
the diameter is the length across the circle, the area is pie r squared r is radius, which is half of the diameter
It is 28.3 cm, approx.
Area = π x R2Area = (3.14) x (3cm)2Area = (3.14) x (9cm)Area = 28.26 cm2
r= 9 so diameter is 2x the radius =18 cm
The area of a circle is figured out using the formula Now, the circle we are given has a radius of 9cm. So, the area of the circle would be: Area = 3.14 x (9)2 = 3.14 x 81 = 254.34 cm2 The area of the circle in question is 254.34 cm2
9*pi or 28.27 cm (to 2 dp)
The diameter of a circle is double the radius so it has to be 9cm
Doubling the radius doubles the circumference.
254.47 square cm
The diameter of a circle with an area of 37.68 is 6.92
The area of a circle with the diameter of 3m is 7.069 m2
The area of a circle with diameter of 4.9 is 75.43 units2
To find area of a circle using diameter, you use this formuler. Area=pi(diameter/2)(diameter/2)