What is the area of the diameter of 4?
The exact area is 12.56 in.
How do you find a Circles area with diameter?
The formula for the area of a circle is A = π r2, where r is the length of the radius of a circle. We can use our knowledge that a diameter is made up of two radii to understand that r = d/2. With this knowledge, you can rewrite the formula for the area of a circle as A = π (d/2)2.
What is the radius of 4 ft diameter?
4ft * 12 in / ft = 48 in. 2r = 48 in. r = 24 in.
What is the area of a 9 diameter circle?
What is the area of a 9 inch diameter circle? The area of a 9 inch circle is 63.62 square inches.
What is the circumference of 4 inch diameter?
The circumference of a 4 inch circle is 12.57 inches.
Is a 4 inch circle?
The diameter of the circle is 6 inches. We can substitute this given information into our formula and solve for the circumference of the circle….What’s the diameter of a 4 inch circle?
| Size in Inches | Circumference Inches | Area in Square Inches |
|---|---|---|
| 4 1/2 | 14.140 | 20.250 |
| 4 3/4 | 14.920 | 22.560 |
What is the area of 8 inches diameter?
What is the area of a 8 inch diameter circle? The area of a 8 inch circle is 50.27 square inches.
What is the length of a 5 foot diameter circle?
Diameter of a Circle
| Diameter | ft | m |
|---|---|---|
| 5′0″ | 15.71 | 4.788 |
| 5′1″ | 15.97 | 4.868 |
| 5′2″ | 16.23 | 4.947 |
| 5′3″ | 16.49 | 5.027 |
What is the circumference of a 9 inch circle?
The circumference of a 9 inch circle is 28.27 inches.
What is the area of a 10 diameter circle?
=78.5 square inches.
What is the diameter of a 6 inch circle?
18.84 inches
Find the circumference. The diameter of the circle is 6 inches. We can substitute this given information into our formula and solve for the circumference of the circle. Our answer is 18.84 inches.
What is the area of a 4 ft circle?
What is the area of a circle with a radius of 4 ft? The area of a circle is pi times the square of its radius. The radius of a circle is the distance from the center to any edge. It is half of the diameter.
How big is a 9 foot square circle?
How big is a 9 foot circle? The area of a circle is pi times the square of its radius. The radius is half the diameter. The diameter of a circle is the distance from one edge to the other, passing through the center. It is twice the radius.
How to calculate the area of a circle?
The area of a circle is pi times the square of its radius. The radius is half the diameter. The diameter of a circle is the distance from one edge to the other, passing through the center. It is twice the radius.
How is the diameter of a circle determined?
The diameter of a circle is the length of a straight line drawn between two points on a circle where the line also passes through the centre of a circle, or any two points on the circle as long as they are exactly 180 degrees apart. Area of Circle. This is the area contained within a circle with the specified diameter.
