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What is the radius of a half circle when you have width and height?
Wiki User
∙ 12y ago
If the half circle is on its flat side, the radius is its height. If the straight part of the half-circle is vertical, the radius is its width.
Wiki User
∙ 12y ago
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Half the diameter of a circle?
Half the diameter of a circle is called its radius.
Where can you find the radius?
Radius is half the length from one side of a circle to the other or half the diameter.
What is half of a diameter?
The diameter of a circle is twice the radius. A radius is half of a diameter.
What is the radius of the circle equal to?
Radius of a circle= Perimeter of the circle/2*pi Radius is half the diameter Radius is the length of a straight line from the center point of the circle to the edge of the circle.
What is the radius of a 7.8cm circle?
3.9cm. The Radius is always half the diameter of a circle.
How would you find an oval with the same area of a circle?
An oval is a general word that could have different shapes. If you squash a circle evenly, the new shape in math is called an ellipse, which has an oval shape. The formula for the area of a circle is Pi times the Radius of the circle squared. The radius is half the height of the circle and also half the width of the circle. The general formula for the area of an ellipse is Pi times half the height times half the width. So we say length A is half the height of an ellipse and length B is half the width of an ellipse. When A is equal to B you have a circle. When they are different you have an ellipse. So if you want the area of the circle to be the same as the area of the ellipse, then you have to keep the height times the width the same for the ellipse as it was for the circle. As you squash the ellipse further the width must stretch out more than the height gets pushed down. For example, a circle with radius of 1 inch would have the same area as an ellipse with height ½ inch and width 2 inches because 1 times 1 is equal to ½ times 2. Another ellipse with the same area could have height ¼ inch and width 4 inches.
What is the difference between radius and diameter?
radius is half and diameter is the whole Expanding theabove statement: Diameter is the width of a circle; Radius is one half the width. In math, the radius refers to the distance from the centerpoint of a circle out to the edge.
What is the area if the radius is 5 of a rectangle?
The term "radius" only applies to circles, and is half of the circle's width (or diameter). For rectangles, you have a width and a height, and the area is calculated by multiplying width by height. A square's width and height are equal, so if a square is 5" wide, then the area is 25 square inches (25in2). Circle areas are calculated by multiplying the radius by itself, and multiplying the result of that by pi (π), or about 3.14. A circle with a radius of 5" would be 3.14*5*5, or 78.5in2 (78.5398 to be more accurate).
If the radio of a circle is 14 inches how much is its diameter?
You mean radius. The radius is half the height of a circle. The diameter is the full height. So, you would add 14 to itself.Therefore, the diameter of the circle is 28 inches.
How do you get the radius of a cylinder?
If you have a physical cylinder to measure, measure the "width" of the circle that is the cross section of the cylinder. That is the diameter, Half the diameter is the radius.
What is the radius of a hemisphere dome with a height of 32?
The radius is 32 because the height of the hemisphere (which is half of a sphere) is the same thing as the radius (which is half the length of the diameter); the radius is the distance from the center to any point on the edge or surface of the circle/sphere.
How do you find the radius and area?
The radius is half of the diameter, so just divide the diameter by two, and area is width x height.
What is the radius of a circle that has a diameter of 16 Cm?
The diameter is the whole width of the circle across the middle. The radius is the distance from the middle to the edge, so is half the diameter. Therefore the radius would be 8 cm
What is half of a diameter of a circle called?
The radius of the circle.
A 5 by 12 is inscribed in a circle what is the radius of the circle?
The center of the rectangle to the corner of the rectangle is the radius of the circle. That can be found using the distance formula sqrt((5/2)^2+(12/2)^2) = 6.5 = r 5/2 is half the height of the rectangle and 12/2 is half the height of the rectangle. radius = 6.5
What is half of a circle?
half of the radius the radius is half of the diameter the diameter is the with of the circle. This also can be called a quadrent circle.
Does the radius divide the circle in half?
No. A diameter divides a circle in half. A radius is half the diameter.
