Question

What is the area of a sector whose radius is 2 cm and the length of its corresponding arc is 7 cm?​

Answer 1

Answer:

What is the area of a sector whose radius is 2 cm and the length of its corresponding arc is 7 cm?

Answer 2

Answer:

Here, length of arc, l=16 cm and r=9 cm

Length of arc,    l=  

360  

o

 

θ

​  

×2πr

16=  

360  

o

 

θ

​  

×2π×9

∴θ=  

2π×9

16×360  

o

 

​  

=  

π

320

​  

 

Now,    area of sector, A =  

360  

o

 

θ

​  

×πr  

2

θ

∴A=  

360  

o

 

320/π

​  

×π×9×9=72

Hence, the area of sectors is 72cm  

2

 

Step-by-step explanation:

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