A true and useful definition of "radius" is that it's 1/2 of the diameter.
Diameter is twice the radius.
Yes. Radius times two equals the diameter. 2r=D
Diameter divided by 2 equals radius r=d/2 For example, if the radius was 3.5, the diameter would be 7.
If the circle has diameter d = 2.25 cm, then its radius is d/2 = 1.125 cm
If d represents the diameter, then radius = d/2 = 1.125 cm
to get the diameter from the radius you simply multiply the radius by 2 since the radius is half the diameter. d=2r where d = diameter and r = radius
The radius of a circle with diameter or 8 inches is 4 inches. The diameter equals 2 times the radius or d=2*r. --> 8 in = 2*r so, r = 4 in
Diameter, the line that dissects the circle exactly in half.
For all circles , however, large or small The diameter is twice the radius. Diameter(d) equals(=) radius(r) plus(+) radius(r). d = r + r d = 2r . NB The diameter is a straight line from the circumference to the centre , and then out to the opposite sided circumference. It is NOT an angled line centred on the central point.
The diameter is twice the radius. Or The Radius is half the diameter. Algebraically, d = 2r or r = d/2
To calculate the radius is very easy, the formula is d/2 where d is diametre. therefore according to d/2 = 9cm/2 which is equals to 4.5 cm Result : the radius of a circle with a diameter of 9 cm is 4.5 cm.
d = 2r, where d is diameter and r is radius.