Question

write formula of area of sector and length area of a sector.​

Answer 1

Answer:

AREA OF SECTOR

A= 0/360° nr^2 WHERE '0' IS IN DEGREES

A= 1/2 r^2 0 WHERE '0' IS IN RADIANS

AREA OF SEGMENT

= AREA OF SECTOR- AREA OF TRIANGLE.

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Answer 2

Answer:

Formula of area of sector of circle=

$\frac{x}{360} \times \pi{r}^{2}$

Here x° is the angle made by arc of the sector,at the center of the circle.

Formula of length of arc of the sector of circle=

$\frac{x}{360} \times 2\pi \: r$

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