Math, asked by rn6213325, 10 days ago

If all three yellow sectors are identical, then what portion of the hexagon is shaded yellow in the figure?​

Answers

Answered by vannya11
5

Step-by-step explanation:

Solution

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⇒  Here, Radius of circle r=7cm  

⇒  Area of circle =πr  

2

=  

7

22

×(7)  

2

=154cm  

2

 

⇒  Side of equilateral triangle is 14cm.

⇒  Area of equilateral triangle =  

4

3

 

×(side)  

2

 

⇒  Area of equilateral triangle =  

4

3

 

×(14)  

2

 

⇒  Area of equilateral triangle =  

4

1.73

×196=84.87cm  

2

 

⇒  ∠A=60  

o

    [ Angle of equilateral triangle ]

∴  θ=60  

o

 

⇒  Area of sector =  

360  

o

 

θ

×πr  

2

 

⇒  Area of sector =  

360  

o

 

60  

o

 

×  

7

22

×(7)  

2

 

∴  Area of sector =25.66cm  

2

 

⇒  Area of shaded region = (Area of circle + Area of equilateral triangle ) - 2×Area of sector

⇒  Area of shaded region =(154+84.87)−51.32=187.55cm  

2

 

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