Area of a Sector of a Circle Formula

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From the proportion we can easily find the final sector area formula. A r L 2 A r L 2.


Circle Sector Formulas Area Arc Length Maths Algebra Formulas Learning Mathematics Math Methods

Let the area of ΔAOB be A ΔAOB.

. Area Of A Circle Formula. From the proportion we can easily find the final sector area formula. Up to 10 cash back area of the circle and then subtract the area of the sector formed by the acute angle.

The formula used to calculate the area of a sector of a circle is. There are two formulas of a sector. Lets study how to determine the area of a sector.

A sector always begins at the circles centre. The area of a sector of a circle is the amount of space occupied inside a sector of a circles border. Here is a three-tier.

Area of sector A. Area of a sector pi r2 θ 360. Angle of sector at center 60 Formula for area of a sector θ360πr 2.

Areaofasector fracAngle360circ times pi r2 Example. The area of the sector of the circle is eqfrac4pi cm2 eq. This should be equal to the area of the larger vector if our formula works for all.

The other one is to find the arc length of the sector of the circle. In this tutorial youll learn how to find that formula. The area of a circle pi r2.

Given values radius 100 cm. Did you know that theres a formula to help you find the area of a sector. A sector AOBC θ360 πr 2.

Sector Area α πr² 2π α r² 2. Area of a Circular Sector Formula When Angle in Unknown. A πr2 A π r 2.

You can also find the area of a sector from its radius and its arc length. A sector has 15th the area of a circle with a radius of 5 cm. The basic formula for the area of a circle area pi r 2 can be applied to find the area of sectors of the circle.

A sector is just a fraction of the area of a circle. 1 if AOB θ in degrees then the area of the sector AOBC A sector AOBC is given by the formula. To find the area of sector we will divide total area of the circle by 4 as.

α Sector Area. If you know the radius r r in whatever measurement units mm cm m inches feet and so on use the formula π r 2 to find area A A. The formula for area A A of a circle with radius r and arc length L L is.

A 1 4 π r 2. Given the radius of the circle r and the angle of the sector θ the formula for calculating the sectors area is as follows. Area of a Sector.

The same method may. So whats the area for the sector of a circle. α Sector Area.

So whats the area for the sector of a circle. So the area of. Sector Area α πr² 2π α r² 2.

One is to calculate the area of a sector of a circle. Now since we know that the total measure of a circle is 360 degrees the area of the circle will be A 1. The full circle has an angle of 2 pi radians around the.


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