What is the diameter of a circle of 4cm?
If the radius of the circle is 4 cm, then the diameter of the circle is 4 cm x 2, or 8 cm. If you know the circumference of the circle, divide it by π to get the diameter.
What is the circumference of each circle 4.2 cm?
Thus, the circumference of the circle is 26.4 cm.
How do you convert cm to diameter?
Divide the circumference by π. This is the circle’s diameter, in this case, 31.8 centimeters. Divide by 2.
What is the diameter of 2.4 cm?
LNCtips.com: Wound Sizing
|0.1 cm||0.04 inches||Grain of sugar|
|2.4 cm||1 inch||Quarter|
|2.6 cm||1 inch||Diameter of C battery|
|2.7 cm||1.1 inches||Diameter of light bulb base|
What is the area of circular ring?
Therefore, the area of a circular ring = π(R + r) (R – r), where R and r are the radii of the outer circle and the inner circle respectively.
What is the perimeter of protector?
The perimeter of a protractor is. πr. πr + 2r.