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How do you find the circomfrence of a circle?
The equation for the circumference of a circle is 2 multiplied by 3.14 (pi) multiplied by the radius. Since the radius is half of the diameter, it can also be calculated by multiplying the diameter by 3.14.
In the formula for the area of a circle what gets multiplied by 3.14?
The radius squared. The radius is half of the diameter
What happens to the area of a circle if you triple a radius?
When you triple the radius of the circle . . . -- The diameter also triples. -- The circumference also triples. -- The area is multiplied by 9 .
What is 2 3rds of a circle?
It depends on the shape that is removed. It could be a smaller circle, whose radius is sqrt(2/3) = 0.8165 of the original radius, Or a circle with a hole with radius sqrt(1/3) = 0.5774 of the original radius cut out of it, Or a wedge making a central angle of 120 degrees removed from the circle, Or more complicated shapes.
What happens to the volume of a cylinder if the radius and height are tripled?
The original volume is multiplied by 27.
The radius of a circle is multiplied by 4 Its area is how many times bigger than the original circle?
Area of the original circle = πr2 Area of enlarged circle = π(4r)2 = π16r2 The enlarged circle is 16 time as big as the original circle.
How do you find a surcumference of a circle?
Formula for finding the circumference of a circle: 2 multiplied by pi multiplied by radius
What happens if double the diameter?
Nothing happens. A person sitting next to you won't know that you did anything to your circle. But you'll have a bigger circle. The radius will be double the originasl radius. The circumference will be double the original circumference. The area will be four times the original area.
How is the area changed if the radius of a circle is multiplied by 2?
Quadrupled
How do you find out an area of a circle?
pi multiplied by the radius squared
In the circumference formula for a circle what does 2 get multiplied by?
Circumference of a circle = 2*pi*radius
How do you find the circomfrence of a circle?
The equation for the circumference of a circle is 2 multiplied by 3.14 (pi) multiplied by the radius. Since the radius is half of the diameter, it can also be calculated by multiplying the diameter by 3.14.
In the formula for the area of a circle what gets multiplied by 3.14?
The radius squared. The radius is half of the diameter
Which circle is bigger - a circle with a radius of 4 or a circle with a diameter of 8?
They are both the same
How do you find a area a circle?
The answer depends on what information you are given.
What is the equation to get the area of a circle if you have the radius?
The area of a circle is given by: pi multiplied by the square of the radius. So if the radius is 15, the area is 225pi (225 is 15 squared)
Is the diameter of the circle always greater than the radius of the circle?
No, only if the diameter is bigger than the radius is the radius smaller than the diameter.
