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Does two radii equal one diameter?
That's right. In a circle, the length of a diameter will be the same as twice the length of a radius.
Are two arcs of a circle congruent if and only if their associated radii are congruent?
The answer is false
When piece of a circle is determined by two radii that piece is best called a?
I always called it an arc. It is simply a section of the circle. The ends are determined by the two radii you referenced. Each of the radii start at the center of the circle and end at their intersection with the circle. The portion of the circle that lies between the ends of the two radii is an arc.
What is diameter of circle if radius is 1.5?
A diameter of a circle is twice the length of a radius. Think of a diameter as two radii, both originating at the center of the circle and extending out at 180 degrees to each other to reach the edge of the circle. In this example, if the radius is 1.5, the diameter would be 3.
What is the part of the circle enclosed by two radii?
A part of a circle enclosed by two radii is called a sector.
