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Two or more circles with congruent radii are called?
Congruent circles
What is part of a circle bounded by an arc and two radii called?
A sector
What is a portion of a circle and its interior that is bound by an arc and two radii called?
Sector.
What is the angle called that is formed by two radii with a vertex at the enter of a circle?
It is called the central angle. Hope that helped!
The ratio between the radii of two spheres is 9 2 What is the ratio of their volumes?
729/8
What is the regoin bounded by a arc of a circle and two radii?
The area is called as "Sector"
What is a region formed by two radii's and the arc between the endpoints called?
Segment
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 the part of the circle enclosed by two radii?
A part of a circle enclosed by two radii is called a sector.
What is the relationship between area of a circle and its radius squared for a series of circles with large increasingly large radii?
The area of a circle is directly proportional to the square of its radius. If two circles have radii R1 and R2 , then the ratio of their areas is ( R1/R2 )2
What is a piece of a circle called?
A piece of the circumference of a circle is called an arc A piece of the area of a circle bounded by an arc and two radii is called A sector. A piece of the area of a circle bounded by an arc and a chord is called a segment
What is the relationship between two circles?
Their circumferences are in direct proportion to their radii. Their areas are in direct proportion to the square of their radii.
If two cones are similar and the ratio between the lengths of their radii is 7 3 what is the ratio of their surface area?
7:3
A portion of a circle and its interior bound by an arc and to radii is a?
The area bounded by an arc of circle and two radii is known as a "circular sector"
When a piece of a circle is determined by two radii what is that piece called?
Sector
Two or more circles with congruent radii are called?
Congruent circles
What is part of a circle bounded by an arc and two radii called?
A sector
