3/8 , the radius is half of the diameter. Half of 3/4 is 3/8
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d = 2r, where d is diameter and r is radius.
Its circumference Its diameter Its radius
The biggest chord is the diameter which is radius*2 and so three quarters of an inch.
If you triple the radius of a circle . . . -- You should not expect anything to happen. Those around are likely to remain completely unaware that you have done anything to your circle. -- You wind up with a circle that's three times as big as it used to be. -- The diameter of the circle is three times the original diameter. -- The circumference of the circle is three times the original circumference. -- The area of the circle is nine times the original area.
The three most common ways to describe the dimension or size of a circle is either the diameter or the radius or the circumference (perimeter).When the circumference is given then dividing that by Pi will give you the diameter (circumference / Pi = diameter).