# What is the Centre of gravity of a semicircle of diameter?

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## What is the Centre of gravity of a semicircle of diameter?

Explanation: The centre of gravity of a semi-circle lies at a distance of 4r/3π measured along the vertical radius.

**What is the area of semicircle of diameter D?**

How To Find the Area of Semicircle Using Diameter? The area of a semicircle can be calculated given the diameter of the semicircle using the formula, Area of semicircle using diameter = πd2/8, where ‘d’ is the diameter.

### What is the diameter of a semicircle?

So, it’s a line segment that runs from a point on the circle’s exterior to its center. Therefore, the radius of a circle (or semicircle) is always half its diameter, and the diameter of a circle (or semicircle) is always two times the radius.

**What is the Centre of gravity of a semicircle is at a perpendicular distance from its Centre?**

The center of gravity of a semi circle is at a perpendicular distance from its center is 2. 4r/3π The perpendicular distance from center of semicircle is y axis. Thus, the center of gravity is at 4R/3π from center.

## What is the Centre of gravity of a sphere?

A sphere is a uniform body with all points along it being at equal distance from its centre, so the centre of gravity is the centre of the sphere.

**What is the formula of semicircle?**

As the perimeter of a circle is 2πr or πd. So, the perimeter of a semicircle is 1/2 (πd) + d or πr + 2r, where r is the radius….Semi circle Formula.

Area | (πr2)/2 |
---|---|

Angle in a semicircle | 90 degrees, i.e. right angle |

Central angle | 180 degrees |

### What is centroid of a semicircle?

The centroid is the point at the exact center of an object. If the object has a uniform density, then the center of mass will be located at the centroid.

**What is the formula to find the circumference of a semicircle?**

The circumference of a semicircle is not equal to half of the circle circumference – you need to add also the diameter of the semicircle, as another boundary was created: Perimeter semicircle = (circumference circle / 2) + 2 * radius. Perimeter semicircle = π * r + 2 * r = r * (π + 2) or. Perimeter semicircle = π * r + d,

## How do you find the length of an arc of semicircle?

So we can say that circle and semicircle are completely each other parts. And one more thing is that, Length of an arc = (arc/radius). I hope that your doubt will be cleared up. Semicircle is made up of semi circumference whose ends are joined by a diameter. = (πd/2) + d = d (π/2 +1).

**What is an intuitive explanation of a semicircle?**

Semicircle is a sub part of the circle . Suppose that we have a Circle whose radius r , centre C and origin O (0,0) and the diameter is d , chord etc. Then, it is a pic of Circle which have those above mentioned properties.

### How do you make a semi circle?

When you cut a circle along a diameter line – or, in other words, through the circle centre – you’ll get a semicircle. The prefix semi- comes from Latin, and it means half or partly (like in words such as semi-permanent, semi-formal, semifinals).