Home / Computer / √ Circle Elements along with Picture + Explanation [LENGKAP]

√ Circle Elements along with Picture + Explanation [LENGKAP]

In our daily lives, we can easily find circular objects. Objects in the shape of a circle must have their own reasons, why are the circles selected.

Try to mention the circular objects around you! For example, car wheels. Wheels are made in a circle so they can run, what if the shape of a trapezoidal wheel? Definitely can't walk right? Other examples of circular shapes are rings, donuts, thread rolls, coins, rolls of tape, etc.

However, not all circular objects are of course. The shape of the object is adjusted to the function and purpose of the object.

Understanding the Circle

Then, what is the meaning of the circle itself? Circles are two-dimensional flat shapes. Circles are collections of dots that form an arch that has the same length of the center of the circle.

The curves in the circle meet and circle the center point and form the area inside. An environmental form must have area and circumference. As for the formula for the area of ​​the circle is π × r². While the formula on the circumference of a circle can be calculated using the formula 2 × π × r.

In each circle formula must use the symbol jika or if it reads read "phi" "phi" which value of The phi is 22/7 or 3.14 depending on the radius of the radius, and the value is already a determination value that cannot be changed by itself. Here is a detailed formula and circumference of the circle in detail.

 Circle Area Formula: π x r  2 
Circumference Formula: π x d  or  2   x π x r
Information :

     > π = phi = 3.14 or 22/7
     > d = diameter (2 times the radius)
     > r = circle radius 

Well, if you already understand what a circle is. Now you also have to understand and understand the elements in the circle. Below will explain various kinds of circular elements.

Circle Elements

 circle elements

A circle must have several parts – parts inside, namely diameter, fingers – finger, tembereng, juring, etc.

In a circle there are 10 elements. To better understand and be clear about the elements contained in the circle, here is an explanation of each element in the circle, namely:

 Circle Elements and their Explanations

1. Circle radius

The radius of a circle is a line that connects between the center point and the point around the circle. In the picture above, the radius of the circle lies in the lines OC, OD, OB and OA.

2. Circle Center Point

The center point in the circle is a point located right in the middle of the circle. In the circle image above, the center of the circle is in the letter O.

3. Circle of the Bow

What is meant by an arc in a circle is a curved line which is part of the circumference of a circle. The bow in the circle is divided into two, namely a large bow and a small bow. It is called a big bow if it is more than half a circle. While small arcs if the length is less than half a circle. In the picture above, the circular arc is located on the curved lines of AC, CB, BD, AD.

4. Circle Diameter

What is called a diameter in a circle is a straight line length that connects between two points on the circumference of a circle that passes through the center of the circle. From this understanding, it can be concluded that the radius of a circle has a value of half of the diameter or diameter has a value twice that of the radius. So the formula written is d = 2r. In the picture above, the diameter of the circle or the center line of the circle lies in the line AB and CD.

5. Tembereng Lingkaran

The definition of tembereng in the circle is an area that is in a circle bounded by a circular arc and a circular arc. In the above picture, the circumference of the ring is limited by the arc AD and the bowstring AD.

6. Circle Bowstring

What is meant by a bowstring in a circle is a straight line that connects two points on the circumference of a circle and not through the center of the circle. If likened, the rope is like a rope in an arrow. In the picture above, the circular bowstring is located on the AD line.

7. Apotema Lingkaran

The next element is Apotema Lingkaran. Circle apothem is the shortest distance between the bowstring and the center of the circle. The apothem line is usually perpendicular to the bowstring. In the picture above, the apothemary line is located in the OF line.

8. Juring Circle

What is meant by juring in a circle is an area which is limited by two lines of radius and is also limited by a circular arc which is flanked by two fingers. Juring environment is also divided into two, namely, small juring and large juring. In the picture above, the circle area is located in an area that is colored green, namely juring BOC.

9. Circumference Angle

The next circle element is the circumference of the circle. Understanding the circumference of the circumference in a circle is the angle formed because of the meeting between the two bowstrings with one point on the circumference of the circle. If you look at the picture above, the AC bowstring and the BC bowstring meet at point C and form the circumference of the ACB.

10. Center Angle Circle

The next element is the center corner. The center angle is the angle formed by the intersection between two radii (OA and OB) at the center of the circle. In the picture above, the center angle formed between points A, O, and B is <AOB.

Our discussion this time is about the meaning of the circle along with the elements of the circle. Hopefully this article can be useful. Thank you ?

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