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A straight line from the center of a circle to the outer edge is called a radius.
A tangent
An ellipse.
The diameter.
An ellipse.
A straight line from the center of a circle to the outer edge is called a radius.
A straight line that intersects a circle or curve at two points, but which has both end points outside the circle or curve is called a secant. A straight line that links two points on a circle or curve is called a chord. A straight line which touches a circle or curve at one point is called a tangent. A straight line that cuts a circle or curve at one point is a straight line.* For moving diagrams see Related links below this box.
A tangent
An ellipse.
An ellipse.
The diameter.
It is called a tangent.
Tangent line
No. No part of a circle is straight.
The name of a straight line joining two points on the circumference of a circle is a chord.If the line passes through the the centre of the circle it is called a diameter
Every circle has a point called the centre. A straight line drawn through the centre and extending both ways to intersect with the circle at opposite points is called the diameter. A straight line drawn from the centre to intersect with one point of the circle is called the radius. In this case, the length of that straight line is 12 inches.
Diameter: A straight line dividing the circle equally Circumference: The distance around the circle Radius: The middle of a circle reaching to one point of the circle