semi
The radius is half of the diameter of a circle.
The area of any circle is (pi) x (radius)2 .The area of half the circle is just half of that number.
Semicircle is HALF of a circle!
75 Percent.
A semi-circle, half a circle, by definition is 180 degrees, half of a rotation. A whole circle has a whole rotation, which is 360 degrees.
The prefix semi means half. Therefore a semicircle is half a circle. Other examples semidetached, semitrailer, semifinal
"semi-" means "half". By adding the prefix "semi-" to the root word you are indicating that it is in some way halved. A semicircle is half of a circle. semi-freddo means half frozen. A semi-final has two winning teams, one of which is declared the single winner in the final (1/2).
semi
another name for a half circle is semi-circle
Coca cola
a hemisphere
Half a circle is called a semi-circle. Sometimes it is called a half-moon.
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The sixth of a circle is called a sextant. The prefix: sex, meaning six. Another prefix for six is hexa.
John Stith Pemberton
a half circle? a half? semi circle? half sphere?
Half a circle is called a "semicircle" in geometry.