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First the circle diameter must be given. for example, for a semi circle of diameter 8 centimeters:
- Step 1: the circumference of the full circle (= pi x Diam). result is: 25.12 cm
- Step 2: Divide the circumference in half. This is the length of just the curved part of the semi-circle. result: 12.56 cm
- Step 3: Add the diameter to the result of step 2.
- Step 4: The result is 12.56 + 8 = 20.56 cm. This is the perimeter of the semi-circle!
Note point: There are 360 degrees in a circle, so a quarter of a circle has 90 degrees no matter what size the circle is. Half a circle has 180 degrees.
What else can I help you with?
Which has the greatest area a circle with a radius of 4 cm or a semi-circle with a diameter of 11 cm?
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There are how many semi circle in a circle?
Semi means half. So there are two semicircles in a circle.
How many edges has a semi circle?
3355
How many vertices does a semi-circle has?
Two of them
How many NUMBER OF line of symmetry is semi circle?
Just the one and it is its radius when at right angles to the semi-circle's centre
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 is the semi circle radius 10cm?
It is half of a circle; the circle's radius (and that of the semicircle) is 10 cm.
There are how many semi circle in a circle?
Semi means half. So there are two semicircles in a circle.
How many dimensions does a semi circle have?
A semi-circle is a two dimensional shape.
How many corners in a semi-circle?
A semi-circle is a 180 degree half circle. A semi-circle does not have any corners. A circle does not have corners either. There are points of beginning and end in a semi-circle. In a circle the point of beginning is the same as the ending point.
What is the radius if a semi-circle has a perimeter of 25.71cm?
The radius is 5.00 cm.
How many lines of symmetry does a semi circle have?
a semi-circle only has one line of symmetry
How many lines of symmetry does a semi circle?
a semi-circle only has one line of symmetry
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
What is the perimiter of a semi circle if the radius is 18cm?
The perimeter is pi*r + 2r = 92.6 cm
What do you call half of a circle?
A semi-circle
What are the antonyms for semi circle?
Circle. That is the opposite of semi circle.
