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The circumference of Circle K is π The circumference of Circle L is 4 π. What is the ratio of their circumferences of their radii of ther areas?
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How many radii of a circle will equal its circumference?
Well, the equation for finding the circumfrence of a circle is (diameter)(pi). That is diameter times pi. since the diameter of a circle is 2 radii, we can say that there is 2(pi) radii in a circle.
What do you need to know about two circles to show that they are congruent?
You need only know the radius of each circle to determine that they are congruent. If the radii are identical, the circles are identical. This can also be determined by comparing the diameters (twice the radii), or the circumferences, or the areas of the circles. In all cases, if the parameters are identical, the circles are identical.
Which of the following is part of the area of a circle formed by an arc and two radii which intersect the endpoints of the arc?
it the circumference of a circle
What makes 2 radii?
Any two lines segments from the circumference of a circle or sphere to its centre.
Is a sector of a circle is a region bounded by a central angle and its corresponding center?
No. A sector is bounded by part two radii and part of the circumference.
Why was the formula for finding the circumference of a circle invented?
Because it was found that there was a direct relationship between the radii (or diameters) of circles and their circumferences.
What is the ratio of the circumferences radii and areas of two circles with circumferences of π and 4π?
Ratio of circumference is π : 4π = 1 : 4 This is the ratio of all lengths, therefore their radii are in the ratio of 1:4 also. Ratio of areas is the square of the ratio of length → ratio of their areas is 1² : 4² = 1 : 16
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.
What is the difference in 35 feet and 20 feet in circle answer in pi?
The answer depends on whether the two measures given are radii or diameters and also whether the differences in question are in their circumferences or areas.
What is a radii of a circle?
Radii is the plural of radius. A radius is the length of a line segment between the center and the circumference of a circle or sphere.
How many radii of a circle will equal its circumference?
Well, the equation for finding the circumfrence of a circle is (diameter)(pi). That is diameter times pi. since the diameter of a circle is 2 radii, we can say that there is 2(pi) radii in a circle.
What is part of the circumference of a circle cut off by 2 radii?
The arc.
What is the radii of a circle?
The radius(radii is the plural) of the circle is half the distance of circle's diameter. The formula is r=(1/2)diameter.
What do you need to know about two circles to show that they are congruent?
You need only know the radius of each circle to determine that they are congruent. If the radii are identical, the circles are identical. This can also be determined by comparing the diameters (twice the radii), or the circumferences, or the areas of the circles. In all cases, if the parameters are identical, the circles are identical.
Which of the following is part of the area of a circle formed by an arc and two radii which intersect the endpoints of the arc?
it the circumference of a circle
How many radii does a circle have?
A radii is just a plural form of radius. A circle doesnt have one radius. The term radii is mostly used when talking about multiple circles.
What is the ratio of the circumferences of two wheels if the ratio of their radii is 2 to 3?
The ratio of all lengths is the same. The ratio of the circumferences = ratio of the radii = 2:3
