Question

The radius of the circle, in which an equilateral
triangle of side 21 cm is inscribed, is​

Answer 1

Answer:

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Answer 2

Answer:Height of the equilateral triangle =  3 x 21 = 63 cm

           

2

3

​

 

​

×side=63cm

      ⇒ Side =  

3

​

 

63×2

​

cm

Area of the triangle =  

4

3

​

 

​

×S  

2

 

                                 =  

4

3

​

 

​

×  

3

​

 

63×2

​

×  

3

​

 

63×2

​

 

                               =1323  

3

​

 sq units

Step-by-step explanation: