Question

4. चौकोर आकृति के बारे में तीन बातें लिखें।​

Answer 1

Answer:

Area of sector of circle =30 cm  

2

 

radius of circle =15 cm

Area of sector =  

360

θ

​  

×πr  

2

 

360

θ

​  

=  

πr  

2

 

A

​  

=  

π×15×15

30

​  

=  

15π

2

​  

 

now length of arc =2πr=  

360

θ

​  

=2π×15×  

15

2