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The shape of a garden is. …

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The shape of a garden is. Rectangular in the middle and semi circular at the ends find the area and perimeter of this garden ( length of the rectangle iis 20-(3.5+3.m) Breath =20 m Radius of the circle=7 m
  • 2 answers

Nikki Poojar 5 years, 1 month ago

Breadth of the rectangle is given as 7 m .....then while. taking the perimeter of rectangle y did u take breadth as 0

Gaurav Seth 5 years, 1 month ago

 

shape of a garden is rectangular in the middle and semi-circular at the ends as shown in the diagram. Find the area and the perimeter of this garden. [Length of rectangle is 20 - (3.5 + 3.5) meters.]

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For the semi-circular part:
Diameter of the semi-circle = 7 m
∴  Radius of the semi-circle = 
     Area of the 2 semi-circles =
                                              

                                               

                                               

Also, perimeter of the 2 semicircles = 
                                                         
                                                          = 22 m
For rectangular part:
                            Length of the rectangle = 20 - (3.5 + 3.5) m
                                                                 = 13 m
                            Breadth of the rectangle = 7 m
∴                                                     Area = Length x Breadth
                                                                = 13 m x 7 m
                                                                = 91 m2
                                      Perimeter = 2 x [Length + Breadth]
                                                      = 2 x [13 m + 0 m]
                                        = 2 x  13 m
                                        = 26 m
Now, Area of the garden = (38.5 + 91)m2
                                        = 129.5 m2
Perimeter of the garden = 22 m + 26 m
                                      = 48 m

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