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area of rectangle = 28 x 14 = 392
area of 1 semicircle = (1/2 ) x (22/7) x 14 x 14 = 308
Total area of : the shaded parts = [1 semicircle – 1/2 rectangle] + [1/4 rectangle – 1/4 semicircle]
= [308 – (1/2) x 392] + [(392/4) – (308/4)] = 133

Ans : 133 sq cm.

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This is  an area question. 

    Quadrant  Triangle  Half Eye square  boomerang 
  154 98 56 196 21
           

14 × 14= 196

22/7 × 14 × 14 × 1/4 = 154

1/2 × 14 ×14 = 98

154 – 98 = 56

196 – 154 = 42

42 ÷ 2 = 21 

 

21 + 56 + 56 = 133

 

 

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