Question

formulas of Area related to ​

Answer 1

Step-by-step explanation:

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Answer 2

Formulas of area related to circle

Area of circle:-

• πr²

Circumference of a circle:-

• 2πr

Sector :-

The area formed by an arc and the two radii joining endpoints of the arc is called sector

Minor sector:-

1. Area of minor sector of angle ∅

• $\frac{∅}{360°}$×πr²

1. Length of arc of minor sector of angle ∅

• $\frac{∅}{360°}$ ×2πr

Major sector:-

1. Area of major sector

• area of circle -area of minor sector
• πr² - $\frac{∅}{360°}$×πr²

1. Length of arc of major sector

• Circumference of circle -length of minor arc
• 2πr-$\frac{∅}{360°}$×2πr

Segment :-

The area made by an arc and a chord is called the segment of the circle

Minor segment:-

1. Area of minor segment

• Area of minor sector- Area of triangle
• $\frac{∅}{360°}$×πr² - $\frac{r²}{2}$sin∅

Major segment:-

1. area of major segment

• Area of circle -area of minor segment
• πr² - $\frac{∅}{360°}$×πr² - $\frac{r²}{2}$sin∅

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