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It's half of the area of the whole circle...
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∙ 11y ago
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What formula is apply to find area of semi circle?
If the radius of the circle is R, then the area of the whole circle is πR2 So the area of the semicircle is 0.5*πR2
What is the semi circle radius 10cm?
It is half of a circle; the circle's radius (and that of the semicircle) is 10 cm.
What is the area of a semi circle that is 4 cm?
1/2*3.14*42 =25.12 sq.cm if the radius is 4 cm
How many dimensions does a semi circle have?
A semi-circle is a two dimensional shape.
What is the semi major axis of a circle of diameter 24 cm?
Well, when an ellipse has zero eccentricity and is called a circle, its major and minoraxes are both the same length. In fact, every axis through the center has the samelength, even the oblique ones, and every one of them is called a "diameter".So the semi-major axis of a circle is half of the diameter, typically referred to as the "radius".In your circle, that's 12 cm.
A semi circle has a radius of 5 inches. What is the circumference?
Well the circumference equation is 2pi r and a semi-circle is half of a full circle so the circumference is 15.71 inches.
What would be the area of a semi circle with a radius of 19.1m?
Area of the semi-circle = pi*19.12/2 = 573.042 square m to 3 decimal places
How do you find the area of a semi circle knowing the radius?
count the number of sides?
What is the radius of a semi circle?
It is the same as the radius of the whole circle.
How do you find the area of a semi-circle in terms of pi?
The area of a full circle is pi x R squared where R = RADIUS The area of a semi circle is half of that, or pi x R squared/2
Which has the greatest area a circle with a radius of 4 cm or a semi-circle with a diameter of 11 cm?
-7
What formula is apply to find area of semi circle?
If the radius of the circle is R, then the area of the whole circle is πR2 So the area of the semicircle is 0.5*πR2
How do you find the area of a semicircular shape?
Assume the shape is half circle. The area of the circle is: A = πr² where r is the radius Since the semi circle has half the area of the circle, we obtain: A = πr²/2
What is the semi circle radius 10cm?
It is half of a circle; the circle's radius (and that of the semicircle) is 10 cm.
How do you find the area of a semi circle or quarter circle when pi is twenty two sevenths and please include an example for both semi circle AND quarter circle?
The area of a circle is pi*r2, where r is the radius. In this case, 22/7 will be used for pi. Area of a semicircle: A semicircle is half of a circle, so the area will be half of a circle: A = (1/2)*pi*r2 Example: Find the area of a semicircle with a radius of 10 meters. A = (1/2)*(22/7)*(10)2 = (1/2)*(22/7)*(100) = 1100/7 or about 157.14 square meters Area of a quarter circle: A quarter circle is a forth of a circle, so the area will be A = (1/4)*(pi)*r2 Example: Find the area of a quarter circle with a diameter of 4 inches: (Notice that the diameter is given, so the radius in this case is 2 inches:) A = (1/2)*(22/7)*(22) = (1/2)*(22/7)*4 = 44/7 or about 6.286 square inches.
What is the area of a semi-circle with a radius of 11cm?
It is 1/2*pi*r2 = 190.1 cm2
What is the radius of a semi circle mean?
The radius of a semi-circle is the same as the radius of the circle that was cut in half. The radius of a circle is the distance from the center of the circle to any point on the circle. That's the same as 1/2 of the diameter. It's easy to measure it on a semi-circle, because you don't even need to determine where the center is. The diameter is just the length of the flat side, and the radius is half of that.
