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You multipy the diameter, which is hte radius multiplied by two. The radius is hte length of the circle from the middle most point to the outer rim.
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How do you find circumference of a circle?
Multiply the diameter by 3.14159 (Pi) to get the circumference multiply the diameter by pi. pi is 3.14159 * * * * * Depends on what information you have. You could multiply the area by 2/radius
How do you find the area inside a circle?
use the equation Area=pi*r2 r is the radius of a circle If you are presented with the diameter of the circle, divide by 2 to receive the radius. Now, square and multiply by pi.
Does 3.14 stand for circumference?
3.14 is the approximate value of pi. Multiply the diameter of a circle by pi to get its circumference; multiply the square of the radius of a circle by pi to get its area.
How do you find the area of a circle if you have the radius?
The equation for the area of a circle = pi x radius². First square your radius (multiply it by itself) Then multiply it by pi, which you may use either by using the pi button on your calculator or by using an approximate value of 3.1416 (3.14 will be close).
What do you multiply the radius by?
circumference of a circle = 2*pi*radius area of a circle = pi*radius squared
What is the circumference and area of a circle that has a radius of 4?
To find the circumference of a circle then multiply pi (3.14159265...) by the diameter of the circle. To find the area then multiply pi by the radius squared.
How do you easily find the area and the circumference of a circle?
Area- square the radius of the circle and multiply it by pi Circm.- multiply the radius by 2 and then multiply that number by pi
How do you figure out the diameter of area of a cricle?
To find the area of a circle, you multiply the radius by itself [squared] and then you multiply their product by pi. To find the diameter of circle, you can a)Multiply the radius by two b) Divide the area by pi, find the square root of that product and then multiply it by two.
How would you find the area of a circle?
To find the area of a circle, here is the formula: A=Pi r2 To find area, you must square the radius and multiply it by pi. If it gives you the diameter, not the radius, divide the diameter by 2, that gives you the radius, then square it and multiply by pi.
Why do you find the area of a circle with pi times the radius squared?
You find the area of a circle with pi times radius squared because the radius is half the circle so to find the full area you need to multiply it again.
How do you find the circumference when you have the area of a circle?
You have to multiply the diameter by pi (3.14) If you have the area, that means you multiplied pi by radius squared. Now you just have to multiply the radius by two, then multiply that number by pi.
How do you find the area of a circle when you have the circumference?
You have to multiply the diameter by pi (3.14) If you have the area, that means you multiplied pi by radius squared. Now you just have to multiply the radius by two, then multiply that number by pi.
How do you find the area of a circle by only knowing the radius?
Since the area of a circle is pi times radius squared, take the radius and square it. Then, multiply that by 3.14, or pi to get the area of the circle.
How do you find area in a circle?
MULTIPLY THE DIAMETER TIMES PI(3.14) OR MULTIPLY THE RADIUS TIMES 2 TIMES PI(3.14).
How do you find the area of a quarter circle?
You find the area of the entire circle (pi x radius^2), and then multiply it by 1/4 or 0.25.
How do you find circumference of a circle?
Multiply the diameter by 3.14159 (Pi) to get the circumference multiply the diameter by pi. pi is 3.14159 * * * * * Depends on what information you have. You could multiply the area by 2/radius
How do you find area of a half circle?
pi*r squared:2 *=multiply : =divide
